Re: Linux 5.4.245

From: Greg Kroah-Hartman
Date: Mon Jun 05 2023 - 03:51:41 EST


diff --git a/Makefile b/Makefile
index a12f1af9b03b..c0a1daa41dc0 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 5
PATCHLEVEL = 4
-SUBLEVEL = 244
+SUBLEVEL = 245
EXTRAVERSION =
NAME = Kleptomaniac Octopus

diff --git a/drivers/android/binder.c b/drivers/android/binder.c
index 4b96742f0fe5..1c39cd12b755 100644
--- a/drivers/android/binder.c
+++ b/drivers/android/binder.c
@@ -2270,24 +2270,23 @@ static void binder_deferred_fd_close(int fd)
static void binder_transaction_buffer_release(struct binder_proc *proc,
struct binder_thread *thread,
struct binder_buffer *buffer,
- binder_size_t failed_at,
+ binder_size_t off_end_offset,
bool is_failure)
{
int debug_id = buffer->debug_id;
- binder_size_t off_start_offset, buffer_offset, off_end_offset;
+ binder_size_t off_start_offset, buffer_offset;

binder_debug(BINDER_DEBUG_TRANSACTION,
"%d buffer release %d, size %zd-%zd, failed at %llx\n",
proc->pid, buffer->debug_id,
buffer->data_size, buffer->offsets_size,
- (unsigned long long)failed_at);
+ (unsigned long long)off_end_offset);

if (buffer->target_node)
binder_dec_node(buffer->target_node, 1, 0);

off_start_offset = ALIGN(buffer->data_size, sizeof(void *));
- off_end_offset = is_failure && failed_at ? failed_at :
- off_start_offset + buffer->offsets_size;
+
for (buffer_offset = off_start_offset; buffer_offset < off_end_offset;
buffer_offset += sizeof(binder_size_t)) {
struct binder_object_header *hdr;
@@ -2447,6 +2446,21 @@ static void binder_transaction_buffer_release(struct binder_proc *proc,
}
}

+/* Clean up all the objects in the buffer */
+static inline void binder_release_entire_buffer(struct binder_proc *proc,
+ struct binder_thread *thread,
+ struct binder_buffer *buffer,
+ bool is_failure)
+{
+ binder_size_t off_end_offset;
+
+ off_end_offset = ALIGN(buffer->data_size, sizeof(void *));
+ off_end_offset += buffer->offsets_size;
+
+ binder_transaction_buffer_release(proc, thread, buffer,
+ off_end_offset, is_failure);
+}
+
static int binder_translate_binder(struct flat_binder_object *fp,
struct binder_transaction *t,
struct binder_thread *thread)
@@ -3930,7 +3944,7 @@ binder_free_buf(struct binder_proc *proc,
binder_node_inner_unlock(buf_node);
}
trace_binder_transaction_buffer_release(buffer);
- binder_transaction_buffer_release(proc, thread, buffer, 0, is_failure);
+ binder_release_entire_buffer(proc, thread, buffer, is_failure);
binder_alloc_free_buf(&proc->alloc, buffer);
}

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.c
index abd066e95228..438be215bbd4 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.c
@@ -3,6 +3,7 @@

#include <linux/mlx5/vport.h>
#include "lib/devcom.h"
+#include "mlx5_core.h"

static LIST_HEAD(devcom_list);

@@ -14,7 +15,7 @@ static LIST_HEAD(devcom_list);
struct mlx5_devcom_component {
struct {
void *data;
- } device[MLX5_MAX_PORTS];
+ } device[MLX5_DEVCOM_PORTS_SUPPORTED];

mlx5_devcom_event_handler_t handler;
struct rw_semaphore sem;
@@ -25,7 +26,7 @@ struct mlx5_devcom_list {
struct list_head list;

struct mlx5_devcom_component components[MLX5_DEVCOM_NUM_COMPONENTS];
- struct mlx5_core_dev *devs[MLX5_MAX_PORTS];
+ struct mlx5_core_dev *devs[MLX5_DEVCOM_PORTS_SUPPORTED];
};

struct mlx5_devcom {
@@ -74,13 +75,16 @@ struct mlx5_devcom *mlx5_devcom_register_device(struct mlx5_core_dev *dev)

if (!mlx5_core_is_pf(dev))
return NULL;
+ if (MLX5_CAP_GEN(dev, num_lag_ports) != MLX5_DEVCOM_PORTS_SUPPORTED)
+ return NULL;

+ mlx5_dev_list_lock();
sguid0 = mlx5_query_nic_system_image_guid(dev);
list_for_each_entry(iter, &devcom_list, list) {
struct mlx5_core_dev *tmp_dev = NULL;

idx = -1;
- for (i = 0; i < MLX5_MAX_PORTS; i++) {
+ for (i = 0; i < MLX5_DEVCOM_PORTS_SUPPORTED; i++) {
if (iter->devs[i])
tmp_dev = iter->devs[i];
else
@@ -100,8 +104,10 @@ struct mlx5_devcom *mlx5_devcom_register_device(struct mlx5_core_dev *dev)

if (!priv) {
priv = mlx5_devcom_list_alloc();
- if (!priv)
- return ERR_PTR(-ENOMEM);
+ if (!priv) {
+ devcom = ERR_PTR(-ENOMEM);
+ goto out;
+ }

idx = 0;
new_priv = true;
@@ -112,12 +118,14 @@ struct mlx5_devcom *mlx5_devcom_register_device(struct mlx5_core_dev *dev)
if (!devcom) {
if (new_priv)
kfree(priv);
- return ERR_PTR(-ENOMEM);
+ devcom = ERR_PTR(-ENOMEM);
+ goto out;
}

if (new_priv)
list_add(&priv->list, &devcom_list);
-
+out:
+ mlx5_dev_list_unlock();
return devcom;
}

@@ -130,20 +138,23 @@ void mlx5_devcom_unregister_device(struct mlx5_devcom *devcom)
if (IS_ERR_OR_NULL(devcom))
return;

+ mlx5_dev_list_lock();
priv = devcom->priv;
priv->devs[devcom->idx] = NULL;

kfree(devcom);

- for (i = 0; i < MLX5_MAX_PORTS; i++)
+ for (i = 0; i < MLX5_DEVCOM_PORTS_SUPPORTED; i++)
if (priv->devs[i])
break;

- if (i != MLX5_MAX_PORTS)
- return;
+ if (i != MLX5_DEVCOM_PORTS_SUPPORTED)
+ goto out;

list_del(&priv->list);
kfree(priv);
+out:
+ mlx5_dev_list_unlock();
}

void mlx5_devcom_register_component(struct mlx5_devcom *devcom,
@@ -192,7 +203,7 @@ int mlx5_devcom_send_event(struct mlx5_devcom *devcom,

comp = &devcom->priv->components[id];
down_write(&comp->sem);
- for (i = 0; i < MLX5_MAX_PORTS; i++)
+ for (i = 0; i < MLX5_DEVCOM_PORTS_SUPPORTED; i++)
if (i != devcom->idx && comp->device[i].data) {
err = comp->handler(event, comp->device[i].data,
event_data);
@@ -240,7 +251,7 @@ void *mlx5_devcom_get_peer_data(struct mlx5_devcom *devcom,
return NULL;
}

- for (i = 0; i < MLX5_MAX_PORTS; i++)
+ for (i = 0; i < MLX5_DEVCOM_PORTS_SUPPORTED; i++)
if (i != devcom->idx)
break;

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.h b/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.h
index 939d5bf1581b..94313c18bb64 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.h
@@ -6,6 +6,8 @@

#include <linux/mlx5/driver.h>

+#define MLX5_DEVCOM_PORTS_SUPPORTED 2
+
enum mlx5_devcom_components {
MLX5_DEVCOM_ESW_OFFLOADS,

diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c
index 1c9a1b94f6e2..4824385fe2c7 100644
--- a/drivers/net/usb/cdc_ncm.c
+++ b/drivers/net/usb/cdc_ncm.c
@@ -175,10 +175,17 @@ static u32 cdc_ncm_check_tx_max(struct usbnet *dev, u32 new_tx)
u32 val, max, min;

/* clamp new_tx to sane values */
- min = ctx->max_datagram_size + ctx->max_ndp_size + sizeof(struct usb_cdc_ncm_nth16);
- max = min_t(u32, CDC_NCM_NTB_MAX_SIZE_TX, le32_to_cpu(ctx->ncm_parm.dwNtbOutMaxSize));
- if (max == 0)
+ if (ctx->is_ndp16)
+ min = ctx->max_datagram_size + ctx->max_ndp_size + sizeof(struct usb_cdc_ncm_nth16);
+ else
+ min = ctx->max_datagram_size + ctx->max_ndp_size + sizeof(struct usb_cdc_ncm_nth32);
+
+ if (le32_to_cpu(ctx->ncm_parm.dwNtbOutMaxSize) == 0)
max = CDC_NCM_NTB_MAX_SIZE_TX; /* dwNtbOutMaxSize not set */
+ else
+ max = clamp_t(u32, le32_to_cpu(ctx->ncm_parm.dwNtbOutMaxSize),
+ USB_CDC_NCM_NTB_MIN_OUT_SIZE,
+ CDC_NCM_NTB_MAX_SIZE_TX);

/* some devices set dwNtbOutMaxSize too low for the above default */
min = min(min, max);
@@ -309,10 +316,17 @@ static ssize_t ndp_to_end_store(struct device *d, struct device_attribute *attr
if (enable == (ctx->drvflags & CDC_NCM_FLAG_NDP_TO_END))
return len;

- if (enable && !ctx->delayed_ndp16) {
- ctx->delayed_ndp16 = kzalloc(ctx->max_ndp_size, GFP_KERNEL);
- if (!ctx->delayed_ndp16)
- return -ENOMEM;
+ if (enable) {
+ if (ctx->is_ndp16 && !ctx->delayed_ndp16) {
+ ctx->delayed_ndp16 = kzalloc(ctx->max_ndp_size, GFP_KERNEL);
+ if (!ctx->delayed_ndp16)
+ return -ENOMEM;
+ }
+ if (!ctx->is_ndp16 && !ctx->delayed_ndp32) {
+ ctx->delayed_ndp32 = kzalloc(ctx->max_ndp_size, GFP_KERNEL);
+ if (!ctx->delayed_ndp32)
+ return -ENOMEM;
+ }
}

/* flush pending data before changing flag */
@@ -514,6 +528,9 @@ static int cdc_ncm_init(struct usbnet *dev)
dev_err(&dev->intf->dev, "SET_CRC_MODE failed\n");
}

+ /* use ndp16 by default */
+ ctx->is_ndp16 = 1;
+
/* set NTB format, if both formats are supported.
*
* "The host shall only send this command while the NCM Data
@@ -521,14 +538,27 @@ static int cdc_ncm_init(struct usbnet *dev)
*/
if (le16_to_cpu(ctx->ncm_parm.bmNtbFormatsSupported) &
USB_CDC_NCM_NTB32_SUPPORTED) {
- dev_dbg(&dev->intf->dev, "Setting NTB format to 16-bit\n");
- err = usbnet_write_cmd(dev, USB_CDC_SET_NTB_FORMAT,
- USB_TYPE_CLASS | USB_DIR_OUT
- | USB_RECIP_INTERFACE,
- USB_CDC_NCM_NTB16_FORMAT,
- iface_no, NULL, 0);
- if (err < 0)
+ if (ctx->drvflags & CDC_NCM_FLAG_PREFER_NTB32) {
+ ctx->is_ndp16 = 0;
+ dev_dbg(&dev->intf->dev, "Setting NTB format to 32-bit\n");
+ err = usbnet_write_cmd(dev, USB_CDC_SET_NTB_FORMAT,
+ USB_TYPE_CLASS | USB_DIR_OUT
+ | USB_RECIP_INTERFACE,
+ USB_CDC_NCM_NTB32_FORMAT,
+ iface_no, NULL, 0);
+ } else {
+ ctx->is_ndp16 = 1;
+ dev_dbg(&dev->intf->dev, "Setting NTB format to 16-bit\n");
+ err = usbnet_write_cmd(dev, USB_CDC_SET_NTB_FORMAT,
+ USB_TYPE_CLASS | USB_DIR_OUT
+ | USB_RECIP_INTERFACE,
+ USB_CDC_NCM_NTB16_FORMAT,
+ iface_no, NULL, 0);
+ }
+ if (err < 0) {
+ ctx->is_ndp16 = 1;
dev_err(&dev->intf->dev, "SET_NTB_FORMAT failed\n");
+ }
}

/* set initial device values */
@@ -551,7 +581,10 @@ static int cdc_ncm_init(struct usbnet *dev)
ctx->tx_max_datagrams = CDC_NCM_DPT_DATAGRAMS_MAX;

/* set up maximum NDP size */
- ctx->max_ndp_size = sizeof(struct usb_cdc_ncm_ndp16) + (ctx->tx_max_datagrams + 1) * sizeof(struct usb_cdc_ncm_dpe16);
+ if (ctx->is_ndp16)
+ ctx->max_ndp_size = sizeof(struct usb_cdc_ncm_ndp16) + (ctx->tx_max_datagrams + 1) * sizeof(struct usb_cdc_ncm_dpe16);
+ else
+ ctx->max_ndp_size = sizeof(struct usb_cdc_ncm_ndp32) + (ctx->tx_max_datagrams + 1) * sizeof(struct usb_cdc_ncm_dpe32);

/* initial coalescing timer interval */
ctx->timer_interval = CDC_NCM_TIMER_INTERVAL_USEC * NSEC_PER_USEC;
@@ -736,7 +769,10 @@ static void cdc_ncm_free(struct cdc_ncm_ctx *ctx)
ctx->tx_curr_skb = NULL;
}

- kfree(ctx->delayed_ndp16);
+ if (ctx->is_ndp16)
+ kfree(ctx->delayed_ndp16);
+ else
+ kfree(ctx->delayed_ndp32);

kfree(ctx);
}
@@ -774,10 +810,8 @@ int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_
u8 *buf;
int len;
int temp;
- int err;
u8 iface_no;
struct usb_cdc_parsed_header hdr;
- __le16 curr_ntb_format;

ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
if (!ctx)
@@ -881,32 +915,6 @@ int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_
goto error2;
}

- /*
- * Some Huawei devices have been observed to come out of reset in NDP32 mode.
- * Let's check if this is the case, and set the device to NDP16 mode again if
- * needed.
- */
- if (ctx->drvflags & CDC_NCM_FLAG_RESET_NTB16) {
- err = usbnet_read_cmd(dev, USB_CDC_GET_NTB_FORMAT,
- USB_TYPE_CLASS | USB_DIR_IN | USB_RECIP_INTERFACE,
- 0, iface_no, &curr_ntb_format, 2);
- if (err < 0) {
- goto error2;
- }
-
- if (curr_ntb_format == cpu_to_le16(USB_CDC_NCM_NTB32_FORMAT)) {
- dev_info(&intf->dev, "resetting NTB format to 16-bit");
- err = usbnet_write_cmd(dev, USB_CDC_SET_NTB_FORMAT,
- USB_TYPE_CLASS | USB_DIR_OUT
- | USB_RECIP_INTERFACE,
- USB_CDC_NCM_NTB16_FORMAT,
- iface_no, NULL, 0);
-
- if (err < 0)
- goto error2;
- }
- }
-
cdc_ncm_find_endpoints(dev, ctx->data);
cdc_ncm_find_endpoints(dev, ctx->control);
if (!dev->in || !dev->out || !dev->status) {
@@ -931,9 +939,15 @@ int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_

/* Allocate the delayed NDP if needed. */
if (ctx->drvflags & CDC_NCM_FLAG_NDP_TO_END) {
- ctx->delayed_ndp16 = kzalloc(ctx->max_ndp_size, GFP_KERNEL);
- if (!ctx->delayed_ndp16)
- goto error2;
+ if (ctx->is_ndp16) {
+ ctx->delayed_ndp16 = kzalloc(ctx->max_ndp_size, GFP_KERNEL);
+ if (!ctx->delayed_ndp16)
+ goto error2;
+ } else {
+ ctx->delayed_ndp32 = kzalloc(ctx->max_ndp_size, GFP_KERNEL);
+ if (!ctx->delayed_ndp32)
+ goto error2;
+ }
dev_info(&intf->dev, "NDP will be placed at end of frame for this device.");
}

@@ -1057,7 +1071,7 @@ static void cdc_ncm_align_tail(struct sk_buff *skb, size_t modulus, size_t remai
/* return a pointer to a valid struct usb_cdc_ncm_ndp16 of type sign, possibly
* allocating a new one within skb
*/
-static struct usb_cdc_ncm_ndp16 *cdc_ncm_ndp(struct cdc_ncm_ctx *ctx, struct sk_buff *skb, __le32 sign, size_t reserve)
+static struct usb_cdc_ncm_ndp16 *cdc_ncm_ndp16(struct cdc_ncm_ctx *ctx, struct sk_buff *skb, __le32 sign, size_t reserve)
{
struct usb_cdc_ncm_ndp16 *ndp16 = NULL;
struct usb_cdc_ncm_nth16 *nth16 = (void *)skb->data;
@@ -1112,12 +1126,73 @@ static struct usb_cdc_ncm_ndp16 *cdc_ncm_ndp(struct cdc_ncm_ctx *ctx, struct sk_
return ndp16;
}

+static struct usb_cdc_ncm_ndp32 *cdc_ncm_ndp32(struct cdc_ncm_ctx *ctx, struct sk_buff *skb, __le32 sign, size_t reserve)
+{
+ struct usb_cdc_ncm_ndp32 *ndp32 = NULL;
+ struct usb_cdc_ncm_nth32 *nth32 = (void *)skb->data;
+ size_t ndpoffset = le32_to_cpu(nth32->dwNdpIndex);
+
+ /* If NDP should be moved to the end of the NCM package, we can't follow the
+ * NTH32 header as we would normally do. NDP isn't written to the SKB yet, and
+ * the wNdpIndex field in the header is actually not consistent with reality. It will be later.
+ */
+ if (ctx->drvflags & CDC_NCM_FLAG_NDP_TO_END) {
+ if (ctx->delayed_ndp32->dwSignature == sign)
+ return ctx->delayed_ndp32;
+
+ /* We can only push a single NDP to the end. Return
+ * NULL to send what we've already got and queue this
+ * skb for later.
+ */
+ else if (ctx->delayed_ndp32->dwSignature)
+ return NULL;
+ }
+
+ /* follow the chain of NDPs, looking for a match */
+ while (ndpoffset) {
+ ndp32 = (struct usb_cdc_ncm_ndp32 *)(skb->data + ndpoffset);
+ if (ndp32->dwSignature == sign)
+ return ndp32;
+ ndpoffset = le32_to_cpu(ndp32->dwNextNdpIndex);
+ }
+
+ /* align new NDP */
+ if (!(ctx->drvflags & CDC_NCM_FLAG_NDP_TO_END))
+ cdc_ncm_align_tail(skb, ctx->tx_ndp_modulus, 0, ctx->tx_curr_size);
+
+ /* verify that there is room for the NDP and the datagram (reserve) */
+ if ((ctx->tx_curr_size - skb->len - reserve) < ctx->max_ndp_size)
+ return NULL;
+
+ /* link to it */
+ if (ndp32)
+ ndp32->dwNextNdpIndex = cpu_to_le32(skb->len);
+ else
+ nth32->dwNdpIndex = cpu_to_le32(skb->len);
+
+ /* push a new empty NDP */
+ if (!(ctx->drvflags & CDC_NCM_FLAG_NDP_TO_END))
+ ndp32 = skb_put_zero(skb, ctx->max_ndp_size);
+ else
+ ndp32 = ctx->delayed_ndp32;
+
+ ndp32->dwSignature = sign;
+ ndp32->wLength = cpu_to_le16(sizeof(struct usb_cdc_ncm_ndp32) + sizeof(struct usb_cdc_ncm_dpe32));
+ return ndp32;
+}
+
struct sk_buff *
cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign)
{
struct cdc_ncm_ctx *ctx = (struct cdc_ncm_ctx *)dev->data[0];
- struct usb_cdc_ncm_nth16 *nth16;
- struct usb_cdc_ncm_ndp16 *ndp16;
+ union {
+ struct usb_cdc_ncm_nth16 *nth16;
+ struct usb_cdc_ncm_nth32 *nth32;
+ } nth;
+ union {
+ struct usb_cdc_ncm_ndp16 *ndp16;
+ struct usb_cdc_ncm_ndp32 *ndp32;
+ } ndp;
struct sk_buff *skb_out;
u16 n = 0, index, ndplen;
u8 ready2send = 0;
@@ -1157,6 +1232,9 @@ cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign)
* further.
*/
if (skb_out == NULL) {
+ /* If even the smallest allocation fails, abort. */
+ if (ctx->tx_curr_size == USB_CDC_NCM_NTB_MIN_OUT_SIZE)
+ goto alloc_failed;
ctx->tx_low_mem_max_cnt = min(ctx->tx_low_mem_max_cnt + 1,
(unsigned)CDC_NCM_LOW_MEM_MAX_CNT);
ctx->tx_low_mem_val = ctx->tx_low_mem_max_cnt;
@@ -1175,20 +1253,23 @@ cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign)
skb_out = alloc_skb(ctx->tx_curr_size, GFP_ATOMIC);

/* No allocation possible so we will abort */
- if (skb_out == NULL) {
- if (skb != NULL) {
- dev_kfree_skb_any(skb);
- dev->net->stats.tx_dropped++;
- }
- goto exit_no_skb;
- }
+ if (!skb_out)
+ goto alloc_failed;
ctx->tx_low_mem_val--;
}
- /* fill out the initial 16-bit NTB header */
- nth16 = skb_put_zero(skb_out, sizeof(struct usb_cdc_ncm_nth16));
- nth16->dwSignature = cpu_to_le32(USB_CDC_NCM_NTH16_SIGN);
- nth16->wHeaderLength = cpu_to_le16(sizeof(struct usb_cdc_ncm_nth16));
- nth16->wSequence = cpu_to_le16(ctx->tx_seq++);
+ if (ctx->is_ndp16) {
+ /* fill out the initial 16-bit NTB header */
+ nth.nth16 = skb_put_zero(skb_out, sizeof(struct usb_cdc_ncm_nth16));
+ nth.nth16->dwSignature = cpu_to_le32(USB_CDC_NCM_NTH16_SIGN);
+ nth.nth16->wHeaderLength = cpu_to_le16(sizeof(struct usb_cdc_ncm_nth16));
+ nth.nth16->wSequence = cpu_to_le16(ctx->tx_seq++);
+ } else {
+ /* fill out the initial 32-bit NTB header */
+ nth.nth32 = skb_put_zero(skb_out, sizeof(struct usb_cdc_ncm_nth32));
+ nth.nth32->dwSignature = cpu_to_le32(USB_CDC_NCM_NTH32_SIGN);
+ nth.nth32->wHeaderLength = cpu_to_le16(sizeof(struct usb_cdc_ncm_nth32));
+ nth.nth32->wSequence = cpu_to_le16(ctx->tx_seq++);
+ }

/* count total number of frames in this NTB */
ctx->tx_curr_frame_num = 0;
@@ -1210,13 +1291,17 @@ cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign)
}

/* get the appropriate NDP for this skb */
- ndp16 = cdc_ncm_ndp(ctx, skb_out, sign, skb->len + ctx->tx_modulus + ctx->tx_remainder);
+ if (ctx->is_ndp16)
+ ndp.ndp16 = cdc_ncm_ndp16(ctx, skb_out, sign, skb->len + ctx->tx_modulus + ctx->tx_remainder);
+ else
+ ndp.ndp32 = cdc_ncm_ndp32(ctx, skb_out, sign, skb->len + ctx->tx_modulus + ctx->tx_remainder);

/* align beginning of next frame */
cdc_ncm_align_tail(skb_out, ctx->tx_modulus, ctx->tx_remainder, ctx->tx_curr_size);

/* check if we had enough room left for both NDP and frame */
- if (!ndp16 || skb_out->len + skb->len + delayed_ndp_size > ctx->tx_curr_size) {
+ if ((ctx->is_ndp16 && !ndp.ndp16) || (!ctx->is_ndp16 && !ndp.ndp32) ||
+ skb_out->len + skb->len + delayed_ndp_size > ctx->tx_curr_size) {
if (n == 0) {
/* won't fit, MTU problem? */
dev_kfree_skb_any(skb);
@@ -1238,13 +1323,22 @@ cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign)
}

/* calculate frame number withing this NDP */
- ndplen = le16_to_cpu(ndp16->wLength);
- index = (ndplen - sizeof(struct usb_cdc_ncm_ndp16)) / sizeof(struct usb_cdc_ncm_dpe16) - 1;
+ if (ctx->is_ndp16) {
+ ndplen = le16_to_cpu(ndp.ndp16->wLength);
+ index = (ndplen - sizeof(struct usb_cdc_ncm_ndp16)) / sizeof(struct usb_cdc_ncm_dpe16) - 1;
+
+ /* OK, add this skb */
+ ndp.ndp16->dpe16[index].wDatagramLength = cpu_to_le16(skb->len);
+ ndp.ndp16->dpe16[index].wDatagramIndex = cpu_to_le16(skb_out->len);
+ ndp.ndp16->wLength = cpu_to_le16(ndplen + sizeof(struct usb_cdc_ncm_dpe16));
+ } else {
+ ndplen = le16_to_cpu(ndp.ndp32->wLength);
+ index = (ndplen - sizeof(struct usb_cdc_ncm_ndp32)) / sizeof(struct usb_cdc_ncm_dpe32) - 1;

- /* OK, add this skb */
- ndp16->dpe16[index].wDatagramLength = cpu_to_le16(skb->len);
- ndp16->dpe16[index].wDatagramIndex = cpu_to_le16(skb_out->len);
- ndp16->wLength = cpu_to_le16(ndplen + sizeof(struct usb_cdc_ncm_dpe16));
+ ndp.ndp32->dpe32[index].dwDatagramLength = cpu_to_le32(skb->len);
+ ndp.ndp32->dpe32[index].dwDatagramIndex = cpu_to_le32(skb_out->len);
+ ndp.ndp32->wLength = cpu_to_le16(ndplen + sizeof(struct usb_cdc_ncm_dpe32));
+ }
skb_put_data(skb_out, skb->data, skb->len);
ctx->tx_curr_frame_payload += skb->len; /* count real tx payload data */
dev_kfree_skb_any(skb);
@@ -1291,13 +1385,22 @@ cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign)

/* If requested, put NDP at end of frame. */
if (ctx->drvflags & CDC_NCM_FLAG_NDP_TO_END) {
- nth16 = (struct usb_cdc_ncm_nth16 *)skb_out->data;
- cdc_ncm_align_tail(skb_out, ctx->tx_ndp_modulus, 0, ctx->tx_curr_size - ctx->max_ndp_size);
- nth16->wNdpIndex = cpu_to_le16(skb_out->len);
- skb_put_data(skb_out, ctx->delayed_ndp16, ctx->max_ndp_size);
+ if (ctx->is_ndp16) {
+ nth.nth16 = (struct usb_cdc_ncm_nth16 *)skb_out->data;
+ cdc_ncm_align_tail(skb_out, ctx->tx_ndp_modulus, 0, ctx->tx_curr_size - ctx->max_ndp_size);
+ nth.nth16->wNdpIndex = cpu_to_le16(skb_out->len);
+ skb_put_data(skb_out, ctx->delayed_ndp16, ctx->max_ndp_size);
+
+ /* Zero out delayed NDP - signature checking will naturally fail. */
+ ndp.ndp16 = memset(ctx->delayed_ndp16, 0, ctx->max_ndp_size);
+ } else {
+ nth.nth32 = (struct usb_cdc_ncm_nth32 *)skb_out->data;
+ cdc_ncm_align_tail(skb_out, ctx->tx_ndp_modulus, 0, ctx->tx_curr_size - ctx->max_ndp_size);
+ nth.nth32->dwNdpIndex = cpu_to_le32(skb_out->len);
+ skb_put_data(skb_out, ctx->delayed_ndp32, ctx->max_ndp_size);

- /* Zero out delayed NDP - signature checking will naturally fail. */
- ndp16 = memset(ctx->delayed_ndp16, 0, ctx->max_ndp_size);
+ ndp.ndp32 = memset(ctx->delayed_ndp32, 0, ctx->max_ndp_size);
+ }
}

/* If collected data size is less or equal ctx->min_tx_pkt
@@ -1320,8 +1423,13 @@ cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign)
}

/* set final frame length */
- nth16 = (struct usb_cdc_ncm_nth16 *)skb_out->data;
- nth16->wBlockLength = cpu_to_le16(skb_out->len);
+ if (ctx->is_ndp16) {
+ nth.nth16 = (struct usb_cdc_ncm_nth16 *)skb_out->data;
+ nth.nth16->wBlockLength = cpu_to_le16(skb_out->len);
+ } else {
+ nth.nth32 = (struct usb_cdc_ncm_nth32 *)skb_out->data;
+ nth.nth32->dwBlockLength = cpu_to_le32(skb_out->len);
+ }

/* return skb */
ctx->tx_curr_skb = NULL;
@@ -1339,6 +1447,11 @@ cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign)

return skb_out;

+alloc_failed:
+ if (skb) {
+ dev_kfree_skb_any(skb);
+ dev->net->stats.tx_dropped++;
+ }
exit_no_skb:
/* Start timer, if there is a remaining non-empty skb */
if (ctx->tx_curr_skb != NULL && n > 0)
@@ -1404,7 +1517,12 @@ cdc_ncm_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags)
goto error;

spin_lock_bh(&ctx->mtx);
- skb_out = cdc_ncm_fill_tx_frame(dev, skb, cpu_to_le32(USB_CDC_NCM_NDP16_NOCRC_SIGN));
+
+ if (ctx->is_ndp16)
+ skb_out = cdc_ncm_fill_tx_frame(dev, skb, cpu_to_le32(USB_CDC_NCM_NDP16_NOCRC_SIGN));
+ else
+ skb_out = cdc_ncm_fill_tx_frame(dev, skb, cpu_to_le32(USB_CDC_NCM_NDP32_NOCRC_SIGN));
+
spin_unlock_bh(&ctx->mtx);
return skb_out;

@@ -1465,6 +1583,54 @@ int cdc_ncm_rx_verify_nth16(struct cdc_ncm_ctx *ctx, struct sk_buff *skb_in)
}
EXPORT_SYMBOL_GPL(cdc_ncm_rx_verify_nth16);

+int cdc_ncm_rx_verify_nth32(struct cdc_ncm_ctx *ctx, struct sk_buff *skb_in)
+{
+ struct usbnet *dev = netdev_priv(skb_in->dev);
+ struct usb_cdc_ncm_nth32 *nth32;
+ int len;
+ int ret = -EINVAL;
+
+ if (ctx == NULL)
+ goto error;
+
+ if (skb_in->len < (sizeof(struct usb_cdc_ncm_nth32) +
+ sizeof(struct usb_cdc_ncm_ndp32))) {
+ netif_dbg(dev, rx_err, dev->net, "frame too short\n");
+ goto error;
+ }
+
+ nth32 = (struct usb_cdc_ncm_nth32 *)skb_in->data;
+
+ if (nth32->dwSignature != cpu_to_le32(USB_CDC_NCM_NTH32_SIGN)) {
+ netif_dbg(dev, rx_err, dev->net,
+ "invalid NTH32 signature <%#010x>\n",
+ le32_to_cpu(nth32->dwSignature));
+ goto error;
+ }
+
+ len = le32_to_cpu(nth32->dwBlockLength);
+ if (len > ctx->rx_max) {
+ netif_dbg(dev, rx_err, dev->net,
+ "unsupported NTB block length %u/%u\n", len,
+ ctx->rx_max);
+ goto error;
+ }
+
+ if ((ctx->rx_seq + 1) != le16_to_cpu(nth32->wSequence) &&
+ (ctx->rx_seq || le16_to_cpu(nth32->wSequence)) &&
+ !((ctx->rx_seq == 0xffff) && !le16_to_cpu(nth32->wSequence))) {
+ netif_dbg(dev, rx_err, dev->net,
+ "sequence number glitch prev=%d curr=%d\n",
+ ctx->rx_seq, le16_to_cpu(nth32->wSequence));
+ }
+ ctx->rx_seq = le16_to_cpu(nth32->wSequence);
+
+ ret = le32_to_cpu(nth32->dwNdpIndex);
+error:
+ return ret;
+}
+EXPORT_SYMBOL_GPL(cdc_ncm_rx_verify_nth32);
+
/* verify NDP header and return number of datagrams, or negative error */
int cdc_ncm_rx_verify_ndp16(struct sk_buff *skb_in, int ndpoffset)
{
@@ -1501,6 +1667,42 @@ int cdc_ncm_rx_verify_ndp16(struct sk_buff *skb_in, int ndpoffset)
}
EXPORT_SYMBOL_GPL(cdc_ncm_rx_verify_ndp16);

+/* verify NDP header and return number of datagrams, or negative error */
+int cdc_ncm_rx_verify_ndp32(struct sk_buff *skb_in, int ndpoffset)
+{
+ struct usbnet *dev = netdev_priv(skb_in->dev);
+ struct usb_cdc_ncm_ndp32 *ndp32;
+ int ret = -EINVAL;
+
+ if ((ndpoffset + sizeof(struct usb_cdc_ncm_ndp32)) > skb_in->len) {
+ netif_dbg(dev, rx_err, dev->net, "invalid NDP offset <%u>\n",
+ ndpoffset);
+ goto error;
+ }
+ ndp32 = (struct usb_cdc_ncm_ndp32 *)(skb_in->data + ndpoffset);
+
+ if (le16_to_cpu(ndp32->wLength) < USB_CDC_NCM_NDP32_LENGTH_MIN) {
+ netif_dbg(dev, rx_err, dev->net, "invalid DPT32 length <%u>\n",
+ le16_to_cpu(ndp32->wLength));
+ goto error;
+ }
+
+ ret = ((le16_to_cpu(ndp32->wLength) -
+ sizeof(struct usb_cdc_ncm_ndp32)) /
+ sizeof(struct usb_cdc_ncm_dpe32));
+ ret--; /* we process NDP entries except for the last one */
+
+ if ((sizeof(struct usb_cdc_ncm_ndp32) +
+ ret * (sizeof(struct usb_cdc_ncm_dpe32))) > skb_in->len) {
+ netif_dbg(dev, rx_err, dev->net, "Invalid nframes = %d\n", ret);
+ ret = -EINVAL;
+ }
+
+error:
+ return ret;
+}
+EXPORT_SYMBOL_GPL(cdc_ncm_rx_verify_ndp32);
+
int cdc_ncm_rx_fixup(struct usbnet *dev, struct sk_buff *skb_in)
{
struct sk_buff *skb;
@@ -1509,34 +1711,66 @@ int cdc_ncm_rx_fixup(struct usbnet *dev, struct sk_buff *skb_in)
int nframes;
int x;
int offset;
- struct usb_cdc_ncm_ndp16 *ndp16;
- struct usb_cdc_ncm_dpe16 *dpe16;
+ union {
+ struct usb_cdc_ncm_ndp16 *ndp16;
+ struct usb_cdc_ncm_ndp32 *ndp32;
+ } ndp;
+ union {
+ struct usb_cdc_ncm_dpe16 *dpe16;
+ struct usb_cdc_ncm_dpe32 *dpe32;
+ } dpe;
+
int ndpoffset;
int loopcount = 50; /* arbitrary max preventing infinite loop */
u32 payload = 0;

- ndpoffset = cdc_ncm_rx_verify_nth16(ctx, skb_in);
+ if (ctx->is_ndp16)
+ ndpoffset = cdc_ncm_rx_verify_nth16(ctx, skb_in);
+ else
+ ndpoffset = cdc_ncm_rx_verify_nth32(ctx, skb_in);
+
if (ndpoffset < 0)
goto error;

next_ndp:
- nframes = cdc_ncm_rx_verify_ndp16(skb_in, ndpoffset);
- if (nframes < 0)
- goto error;
+ if (ctx->is_ndp16) {
+ nframes = cdc_ncm_rx_verify_ndp16(skb_in, ndpoffset);
+ if (nframes < 0)
+ goto error;

- ndp16 = (struct usb_cdc_ncm_ndp16 *)(skb_in->data + ndpoffset);
+ ndp.ndp16 = (struct usb_cdc_ncm_ndp16 *)(skb_in->data + ndpoffset);

- if (ndp16->dwSignature != cpu_to_le32(USB_CDC_NCM_NDP16_NOCRC_SIGN)) {
- netif_dbg(dev, rx_err, dev->net,
- "invalid DPT16 signature <%#010x>\n",
- le32_to_cpu(ndp16->dwSignature));
- goto err_ndp;
+ if (ndp.ndp16->dwSignature != cpu_to_le32(USB_CDC_NCM_NDP16_NOCRC_SIGN)) {
+ netif_dbg(dev, rx_err, dev->net,
+ "invalid DPT16 signature <%#010x>\n",
+ le32_to_cpu(ndp.ndp16->dwSignature));
+ goto err_ndp;
+ }
+ dpe.dpe16 = ndp.ndp16->dpe16;
+ } else {
+ nframes = cdc_ncm_rx_verify_ndp32(skb_in, ndpoffset);
+ if (nframes < 0)
+ goto error;
+
+ ndp.ndp32 = (struct usb_cdc_ncm_ndp32 *)(skb_in->data + ndpoffset);
+
+ if (ndp.ndp32->dwSignature != cpu_to_le32(USB_CDC_NCM_NDP32_NOCRC_SIGN)) {
+ netif_dbg(dev, rx_err, dev->net,
+ "invalid DPT32 signature <%#010x>\n",
+ le32_to_cpu(ndp.ndp32->dwSignature));
+ goto err_ndp;
+ }
+ dpe.dpe32 = ndp.ndp32->dpe32;
}
- dpe16 = ndp16->dpe16;

- for (x = 0; x < nframes; x++, dpe16++) {
- offset = le16_to_cpu(dpe16->wDatagramIndex);
- len = le16_to_cpu(dpe16->wDatagramLength);
+ for (x = 0; x < nframes; x++) {
+ if (ctx->is_ndp16) {
+ offset = le16_to_cpu(dpe.dpe16->wDatagramIndex);
+ len = le16_to_cpu(dpe.dpe16->wDatagramLength);
+ } else {
+ offset = le32_to_cpu(dpe.dpe32->dwDatagramIndex);
+ len = le32_to_cpu(dpe.dpe32->dwDatagramLength);
+ }

/*
* CDC NCM ch. 3.7
@@ -1567,10 +1801,19 @@ int cdc_ncm_rx_fixup(struct usbnet *dev, struct sk_buff *skb_in)
usbnet_skb_return(dev, skb);
payload += len; /* count payload bytes in this NTB */
}
+
+ if (ctx->is_ndp16)
+ dpe.dpe16++;
+ else
+ dpe.dpe32++;
}
err_ndp:
/* are there more NDPs to process? */
- ndpoffset = le16_to_cpu(ndp16->wNextNdpIndex);
+ if (ctx->is_ndp16)
+ ndpoffset = le16_to_cpu(ndp.ndp16->wNextNdpIndex);
+ else
+ ndpoffset = le32_to_cpu(ndp.ndp32->dwNextNdpIndex);
+
if (ndpoffset && loopcount--)
goto next_ndp;

diff --git a/drivers/net/usb/huawei_cdc_ncm.c b/drivers/net/usb/huawei_cdc_ncm.c
index e15a472c6a54..099d84827004 100644
--- a/drivers/net/usb/huawei_cdc_ncm.c
+++ b/drivers/net/usb/huawei_cdc_ncm.c
@@ -77,11 +77,11 @@ static int huawei_cdc_ncm_bind(struct usbnet *usbnet_dev,
*/
drvflags |= CDC_NCM_FLAG_NDP_TO_END;

- /* Additionally, it has been reported that some Huawei E3372H devices, with
- * firmware version 21.318.01.00.541, come out of reset in NTB32 format mode, hence
- * needing to be set to the NTB16 one again.
+ /* For many Huawei devices the NTB32 mode is the default and the best mode
+ * they work with. Huawei E5785 and E5885 devices refuse to work in NTB16 mode at all.
*/
- drvflags |= CDC_NCM_FLAG_RESET_NTB16;
+ drvflags |= CDC_NCM_FLAG_PREFER_NTB32;
+
ret = cdc_ncm_bind_common(usbnet_dev, intf, 1, drvflags);
if (ret)
goto err;
diff --git a/drivers/power/supply/bq24190_charger.c b/drivers/power/supply/bq24190_charger.c
index 64d87dccea82..f912284b2e55 100644
--- a/drivers/power/supply/bq24190_charger.c
+++ b/drivers/power/supply/bq24190_charger.c
@@ -1211,8 +1211,19 @@ static void bq24190_input_current_limit_work(struct work_struct *work)
struct bq24190_dev_info *bdi =
container_of(work, struct bq24190_dev_info,
input_current_limit_work.work);
+ union power_supply_propval val;
+ int ret;

- power_supply_set_input_current_limit_from_supplier(bdi->charger);
+ ret = power_supply_get_property_from_supplier(bdi->charger,
+ POWER_SUPPLY_PROP_CURRENT_MAX,
+ &val);
+ if (ret)
+ return;
+
+ bq24190_charger_set_property(bdi->charger,
+ POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT,
+ &val);
+ power_supply_changed(bdi->charger);
}

/* Sync the input-current-limit with our parent supply (if we have one) */
diff --git a/drivers/power/supply/bq27xxx_battery.c b/drivers/power/supply/bq27xxx_battery.c
index b45cbd40294b..ffdd646d7ebc 100644
--- a/drivers/power/supply/bq27xxx_battery.c
+++ b/drivers/power/supply/bq27xxx_battery.c
@@ -1862,8 +1862,8 @@ static void bq27xxx_external_power_changed(struct power_supply *psy)
{
struct bq27xxx_device_info *di = power_supply_get_drvdata(psy);

- cancel_delayed_work_sync(&di->work);
- schedule_delayed_work(&di->work, 0);
+ /* After charger plug in/out wait 0.5s for things to stabilize */
+ mod_delayed_work(system_wq, &di->work, HZ / 2);
}

int bq27xxx_battery_setup(struct bq27xxx_device_info *di)
diff --git a/drivers/power/supply/power_supply_core.c b/drivers/power/supply/power_supply_core.c
index fd24254d9014..3fdc988595b3 100644
--- a/drivers/power/supply/power_supply_core.c
+++ b/drivers/power/supply/power_supply_core.c
@@ -375,46 +375,49 @@ int power_supply_is_system_supplied(void)
}
EXPORT_SYMBOL_GPL(power_supply_is_system_supplied);

-static int __power_supply_get_supplier_max_current(struct device *dev,
- void *data)
+struct psy_get_supplier_prop_data {
+ struct power_supply *psy;
+ enum power_supply_property psp;
+ union power_supply_propval *val;
+};
+
+static int __power_supply_get_supplier_property(struct device *dev, void *_data)
{
- union power_supply_propval ret = {0,};
struct power_supply *epsy = dev_get_drvdata(dev);
- struct power_supply *psy = data;
+ struct psy_get_supplier_prop_data *data = _data;

- if (__power_supply_is_supplied_by(epsy, psy))
- if (!epsy->desc->get_property(epsy,
- POWER_SUPPLY_PROP_CURRENT_MAX,
- &ret))
- return ret.intval;
+ if (__power_supply_is_supplied_by(epsy, data->psy))
+ if (!epsy->desc->get_property(epsy, data->psp, data->val))
+ return 1; /* Success */

- return 0;
+ return 0; /* Continue iterating */
}

-int power_supply_set_input_current_limit_from_supplier(struct power_supply *psy)
+int power_supply_get_property_from_supplier(struct power_supply *psy,
+ enum power_supply_property psp,
+ union power_supply_propval *val)
{
- union power_supply_propval val = {0,};
- int curr;
-
- if (!psy->desc->set_property)
- return -EINVAL;
+ struct psy_get_supplier_prop_data data = {
+ .psy = psy,
+ .psp = psp,
+ .val = val,
+ };
+ int ret;

/*
* This function is not intended for use with a supply with multiple
- * suppliers, we simply pick the first supply to report a non 0
- * max-current.
+ * suppliers, we simply pick the first supply to report the psp.
*/
- curr = class_for_each_device(power_supply_class, NULL, psy,
- __power_supply_get_supplier_max_current);
- if (curr <= 0)
- return (curr == 0) ? -ENODEV : curr;
-
- val.intval = curr;
+ ret = class_for_each_device(power_supply_class, NULL, &data,
+ __power_supply_get_supplier_property);
+ if (ret < 0)
+ return ret;
+ if (ret == 0)
+ return -ENODEV;

- return psy->desc->set_property(psy,
- POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT, &val);
+ return 0;
}
-EXPORT_SYMBOL_GPL(power_supply_set_input_current_limit_from_supplier);
+EXPORT_SYMBOL_GPL(power_supply_get_property_from_supplier);

int power_supply_set_battery_charged(struct power_supply *psy)
{
diff --git a/fs/io_uring.c b/fs/io_uring.c
index e8df6345a812..3683ddeb625a 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -551,7 +551,8 @@ static void io_kill_timeout(struct io_kiocb *req)
atomic_inc(&req->ctx->cq_timeouts);
list_del(&req->list);
io_cqring_fill_event(req->ctx, req->user_data, 0);
- __io_free_req(req);
+ if (refcount_dec_and_test(&req->refs))
+ __io_free_req(req);
}
}

@@ -2079,12 +2080,12 @@ static int io_timeout(struct io_kiocb *req, const struct io_uring_sqe *sqe)
req->sequence -= span;
add:
list_add(&req->list, entry);
- spin_unlock_irq(&ctx->completion_lock);

hrtimer_init(&req->timeout.timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
req->timeout.timer.function = io_timeout_fn;
hrtimer_start(&req->timeout.timer, timespec64_to_ktime(ts),
HRTIMER_MODE_REL);
+ spin_unlock_irq(&ctx->completion_lock);
return 0;
}

@@ -3738,9 +3739,6 @@ static void io_cancel_async_work(struct io_ring_ctx *ctx,
{
struct io_kiocb *req;

- if (list_empty(&ctx->task_list))
- return;
-
spin_lock_irq(&ctx->task_lock);

list_for_each_entry(req, &ctx->task_list, task_list) {
diff --git a/include/linux/fs.h b/include/linux/fs.h
index e003afcea3f3..4b1553f570f2 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1360,28 +1360,28 @@ extern int send_sigurg(struct fown_struct *fown);
* sb->s_flags. Note that these mirror the equivalent MS_* flags where
* represented in both.
*/
-#define SB_RDONLY 1 /* Mount read-only */
-#define SB_NOSUID 2 /* Ignore suid and sgid bits */
-#define SB_NODEV 4 /* Disallow access to device special files */
-#define SB_NOEXEC 8 /* Disallow program execution */
-#define SB_SYNCHRONOUS 16 /* Writes are synced at once */
-#define SB_MANDLOCK 64 /* Allow mandatory locks on an FS */
-#define SB_DIRSYNC 128 /* Directory modifications are synchronous */
-#define SB_NOATIME 1024 /* Do not update access times. */
-#define SB_NODIRATIME 2048 /* Do not update directory access times */
-#define SB_SILENT 32768
-#define SB_POSIXACL (1<<16) /* VFS does not apply the umask */
-#define SB_KERNMOUNT (1<<22) /* this is a kern_mount call */
-#define SB_I_VERSION (1<<23) /* Update inode I_version field */
-#define SB_LAZYTIME (1<<25) /* Update the on-disk [acm]times lazily */
+#define SB_RDONLY BIT(0) /* Mount read-only */
+#define SB_NOSUID BIT(1) /* Ignore suid and sgid bits */
+#define SB_NODEV BIT(2) /* Disallow access to device special files */
+#define SB_NOEXEC BIT(3) /* Disallow program execution */
+#define SB_SYNCHRONOUS BIT(4) /* Writes are synced at once */
+#define SB_MANDLOCK BIT(6) /* Allow mandatory locks on an FS */
+#define SB_DIRSYNC BIT(7) /* Directory modifications are synchronous */
+#define SB_NOATIME BIT(10) /* Do not update access times. */
+#define SB_NODIRATIME BIT(11) /* Do not update directory access times */
+#define SB_SILENT BIT(15)
+#define SB_POSIXACL BIT(16) /* VFS does not apply the umask */
+#define SB_KERNMOUNT BIT(22) /* this is a kern_mount call */
+#define SB_I_VERSION BIT(23) /* Update inode I_version field */
+#define SB_LAZYTIME BIT(25) /* Update the on-disk [acm]times lazily */

/* These sb flags are internal to the kernel */
-#define SB_SUBMOUNT (1<<26)
-#define SB_FORCE (1<<27)
-#define SB_NOSEC (1<<28)
-#define SB_BORN (1<<29)
-#define SB_ACTIVE (1<<30)
-#define SB_NOUSER (1<<31)
+#define SB_SUBMOUNT BIT(26)
+#define SB_FORCE BIT(27)
+#define SB_NOSEC BIT(28)
+#define SB_BORN BIT(29)
+#define SB_ACTIVE BIT(30)
+#define SB_NOUSER BIT(31)

/*
* Umount options
diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h
index 28413f737e7d..f4aad9554de2 100644
--- a/include/linux/power_supply.h
+++ b/include/linux/power_supply.h
@@ -383,8 +383,9 @@ extern int power_supply_batinfo_ocv2cap(struct power_supply_battery_info *info,
int ocv, int temp);
extern void power_supply_changed(struct power_supply *psy);
extern int power_supply_am_i_supplied(struct power_supply *psy);
-extern int power_supply_set_input_current_limit_from_supplier(
- struct power_supply *psy);
+int power_supply_get_property_from_supplier(struct power_supply *psy,
+ enum power_supply_property psp,
+ union power_supply_propval *val);
extern int power_supply_set_battery_charged(struct power_supply *psy);

#ifdef CONFIG_POWER_SUPPLY
diff --git a/include/linux/usb/cdc_ncm.h b/include/linux/usb/cdc_ncm.h
index 1646c06989df..0ce4377545f8 100644
--- a/include/linux/usb/cdc_ncm.h
+++ b/include/linux/usb/cdc_ncm.h
@@ -46,9 +46,12 @@
#define CDC_NCM_DATA_ALTSETTING_NCM 1
#define CDC_NCM_DATA_ALTSETTING_MBIM 2

-/* CDC NCM subclass 3.2.1 */
+/* CDC NCM subclass 3.3.1 */
#define USB_CDC_NCM_NDP16_LENGTH_MIN 0x10

+/* CDC NCM subclass 3.3.2 */
+#define USB_CDC_NCM_NDP32_LENGTH_MIN 0x20
+
/* Maximum NTB length */
#define CDC_NCM_NTB_MAX_SIZE_TX 32768 /* bytes */
#define CDC_NCM_NTB_MAX_SIZE_RX 32768 /* bytes */
@@ -84,7 +87,7 @@
/* Driver flags */
#define CDC_NCM_FLAG_NDP_TO_END 0x02 /* NDP is placed at end of frame */
#define CDC_MBIM_FLAG_AVOID_ALTSETTING_TOGGLE 0x04 /* Avoid altsetting toggle during init */
-#define CDC_NCM_FLAG_RESET_NTB16 0x08 /* set NDP16 one more time after altsetting switch */
+#define CDC_NCM_FLAG_PREFER_NTB32 0x08 /* prefer NDP32 over NDP16 */

#define cdc_ncm_comm_intf_is_mbim(x) ((x)->desc.bInterfaceSubClass == USB_CDC_SUBCLASS_MBIM && \
(x)->desc.bInterfaceProtocol == USB_CDC_PROTO_NONE)
@@ -113,7 +116,11 @@ struct cdc_ncm_ctx {

u32 timer_interval;
u32 max_ndp_size;
- struct usb_cdc_ncm_ndp16 *delayed_ndp16;
+ u8 is_ndp16;
+ union {
+ struct usb_cdc_ncm_ndp16 *delayed_ndp16;
+ struct usb_cdc_ncm_ndp32 *delayed_ndp32;
+ };

u32 tx_timer_pending;
u32 tx_curr_frame_num;
@@ -150,6 +157,8 @@ void cdc_ncm_unbind(struct usbnet *dev, struct usb_interface *intf);
struct sk_buff *cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign);
int cdc_ncm_rx_verify_nth16(struct cdc_ncm_ctx *ctx, struct sk_buff *skb_in);
int cdc_ncm_rx_verify_ndp16(struct sk_buff *skb_in, int ndpoffset);
+int cdc_ncm_rx_verify_nth32(struct cdc_ncm_ctx *ctx, struct sk_buff *skb_in);
+int cdc_ncm_rx_verify_ndp32(struct sk_buff *skb_in, int ndpoffset);
struct sk_buff *
cdc_ncm_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags);
int cdc_ncm_rx_fixup(struct usbnet *dev, struct sk_buff *skb_in);
diff --git a/include/net/ip.h b/include/net/ip.h
index db841ab388c0..0ebe5385efca 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -73,6 +73,7 @@ struct ipcm_cookie {
__be32 addr;
int oif;
struct ip_options_rcu *opt;
+ __u8 protocol;
__u8 ttl;
__s16 tos;
char priority;
@@ -93,6 +94,7 @@ static inline void ipcm_init_sk(struct ipcm_cookie *ipcm,
ipcm->sockc.tsflags = inet->sk.sk_tsflags;
ipcm->oif = inet->sk.sk_bound_dev_if;
ipcm->addr = inet->inet_saddr;
+ ipcm->protocol = inet->inet_num;
}

#define IPCB(skb) ((struct inet_skb_parm*)((skb)->cb))
diff --git a/include/uapi/linux/in.h b/include/uapi/linux/in.h
index 60e1241d4b77..f5ac290c2250 100644
--- a/include/uapi/linux/in.h
+++ b/include/uapi/linux/in.h
@@ -154,6 +154,8 @@ struct in_addr {
#define MCAST_MSFILTER 48
#define IP_MULTICAST_ALL 49
#define IP_UNICAST_IF 50
+#define IP_LOCAL_PORT_RANGE 51
+#define IP_PROTOCOL 52

#define MCAST_EXCLUDE 0
#define MCAST_INCLUDE 1
diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index 4f8f5204ae7a..45f6ce1f380e 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -973,6 +973,34 @@ static int hci_sock_ioctl(struct socket *sock, unsigned int cmd,

BT_DBG("cmd %x arg %lx", cmd, arg);

+ /* Make sure the cmd is valid before doing anything */
+ switch (cmd) {
+ case HCIGETDEVLIST:
+ case HCIGETDEVINFO:
+ case HCIGETCONNLIST:
+ case HCIDEVUP:
+ case HCIDEVDOWN:
+ case HCIDEVRESET:
+ case HCIDEVRESTAT:
+ case HCISETSCAN:
+ case HCISETAUTH:
+ case HCISETENCRYPT:
+ case HCISETPTYPE:
+ case HCISETLINKPOL:
+ case HCISETLINKMODE:
+ case HCISETACLMTU:
+ case HCISETSCOMTU:
+ case HCIINQUIRY:
+ case HCISETRAW:
+ case HCIGETCONNINFO:
+ case HCIGETAUTHINFO:
+ case HCIBLOCKADDR:
+ case HCIUNBLOCKADDR:
+ break;
+ default:
+ return -ENOIOCTLCMD;
+ }
+
lock_sock(sk);

if (hci_pi(sk)->channel != HCI_CHANNEL_RAW) {
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index aa3fd61818c4..0c528f642eb8 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -316,7 +316,14 @@ int ip_cmsg_send(struct sock *sk, struct msghdr *msg, struct ipcm_cookie *ipc,
ipc->tos = val;
ipc->priority = rt_tos2priority(ipc->tos);
break;
-
+ case IP_PROTOCOL:
+ if (cmsg->cmsg_len != CMSG_LEN(sizeof(int)))
+ return -EINVAL;
+ val = *(int *)CMSG_DATA(cmsg);
+ if (val < 1 || val > 255)
+ return -EINVAL;
+ ipc->protocol = val;
+ break;
default:
return -EINVAL;
}
@@ -1524,6 +1531,9 @@ static int do_ip_getsockopt(struct sock *sk, int level, int optname,
case IP_MINTTL:
val = inet->min_ttl;
break;
+ case IP_PROTOCOL:
+ val = inet_sk(sk)->inet_num;
+ break;
default:
release_sock(sk);
return -ENOPROTOOPT;
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index ddc24e57dc55..1044f4985922 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -558,6 +558,9 @@ static int raw_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
}

ipcm_init_sk(&ipc, inet);
+ /* Keep backward compat */
+ if (hdrincl)
+ ipc.protocol = IPPROTO_RAW;

if (msg->msg_controllen) {
err = ip_cmsg_send(sk, msg, &ipc, false);
@@ -625,7 +628,7 @@ static int raw_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)

flowi4_init_output(&fl4, ipc.oif, ipc.sockc.mark, tos,
RT_SCOPE_UNIVERSE,
- hdrincl ? IPPROTO_RAW : sk->sk_protocol,
+ hdrincl ? ipc.protocol : sk->sk_protocol,
inet_sk_flowi_flags(sk) |
(hdrincl ? FLOWI_FLAG_KNOWN_NH : 0),
daddr, saddr, 0, 0, sk->sk_uid);
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index bf052d68e1f5..731485b18de3 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -828,7 +828,8 @@ static int rawv6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)

if (!proto)
proto = inet->inet_num;
- else if (proto != inet->inet_num)
+ else if (proto != inet->inet_num &&
+ inet->inet_num != IPPROTO_RAW)
return -EINVAL;

if (proto > 255)
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index 4747daf901e7..754f473ce3de 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -1229,9 +1229,6 @@ static const struct nla_policy ct_nla_policy[CTA_MAX+1] = {

static int ctnetlink_flush_iterate(struct nf_conn *ct, void *data)
{
- if (test_bit(IPS_OFFLOAD_BIT, &ct->status))
- return 0;
-
return ctnetlink_filter_match(ct, data);
}

@@ -1294,11 +1291,6 @@ static int ctnetlink_del_conntrack(struct net *net, struct sock *ctnl,

ct = nf_ct_tuplehash_to_ctrack(h);

- if (test_bit(IPS_OFFLOAD_BIT, &ct->status)) {
- nf_ct_put(ct);
- return -EBUSY;
- }
-
if (cda[CTA_ID]) {
__be32 id = nla_get_be32(cda[CTA_ID]);