[PATCH] staging: wlan-ng: use list_for_each_entry*

From: Geliang Tang
Date: Tue Dec 15 2015 - 10:30:14 EST


Use list_for_each_entry*() instead of list_for_each*() to simplify
the code.

Signed-off-by: Geliang Tang <geliangtang@xxxxxxx>
---
drivers/staging/wlan-ng/hfa384x_usb.c | 17 ++++-------------
drivers/staging/wlan-ng/prism2usb.c | 15 +++------------
2 files changed, 7 insertions(+), 25 deletions(-)

diff --git a/drivers/staging/wlan-ng/hfa384x_usb.c b/drivers/staging/wlan-ng/hfa384x_usb.c
index 7551ac2..9b04036 100644
--- a/drivers/staging/wlan-ng/hfa384x_usb.c
+++ b/drivers/staging/wlan-ng/hfa384x_usb.c
@@ -2810,8 +2810,7 @@ void hfa384x_tx_timeout(wlandevice_t *wlandev)
static void hfa384x_usbctlx_reaper_task(unsigned long data)
{
hfa384x_t *hw = (hfa384x_t *)data;
- struct list_head *entry;
- struct list_head *temp;
+ hfa384x_usbctlx_t *ctlx, *temp;
unsigned long flags;

spin_lock_irqsave(&hw->ctlxq.lock, flags);
@@ -2819,10 +2818,7 @@ static void hfa384x_usbctlx_reaper_task(unsigned long data)
/* This list is guaranteed to be empty if someone
* has unplugged the adapter.
*/
- list_for_each_safe(entry, temp, &hw->ctlxq.reapable) {
- hfa384x_usbctlx_t *ctlx;
-
- ctlx = list_entry(entry, hfa384x_usbctlx_t, list);
+ list_for_each_entry_safe(ctlx, temp, &hw->ctlxq.reapable, list) {
list_del(&ctlx->list);
kfree(ctlx);
}
@@ -2847,8 +2843,7 @@ static void hfa384x_usbctlx_reaper_task(unsigned long data)
static void hfa384x_usbctlx_completion_task(unsigned long data)
{
hfa384x_t *hw = (hfa384x_t *)data;
- struct list_head *entry;
- struct list_head *temp;
+ hfa384x_usbctlx_t *ctlx, *temp;
unsigned long flags;

int reap = 0;
@@ -2858,11 +2853,7 @@ static void hfa384x_usbctlx_completion_task(unsigned long data)
/* This list is guaranteed to be empty if someone
* has unplugged the adapter ...
*/
- list_for_each_safe(entry, temp, &hw->ctlxq.completing) {
- hfa384x_usbctlx_t *ctlx;
-
- ctlx = list_entry(entry, hfa384x_usbctlx_t, list);
-
+ list_for_each_entry_safe(ctlx, temp, &hw->ctlxq.completing, list) {
/* Call the completion function that this
* command was assigned, assuming it has one.
*/
diff --git a/drivers/staging/wlan-ng/prism2usb.c b/drivers/staging/wlan-ng/prism2usb.c
index 8abf3f8..194f67e 100644
--- a/drivers/staging/wlan-ng/prism2usb.c
+++ b/drivers/staging/wlan-ng/prism2usb.c
@@ -139,8 +139,7 @@ static void prism2sta_disconnect_usb(struct usb_interface *interface)
wlandev = (wlandevice_t *)usb_get_intfdata(interface);
if (wlandev != NULL) {
LIST_HEAD(cleanlist);
- struct list_head *entry;
- struct list_head *temp;
+ hfa384x_usbctlx_t *ctlx, *temp;
unsigned long flags;

hfa384x_t *hw = wlandev->priv;
@@ -184,12 +183,8 @@ static void prism2sta_disconnect_usb(struct usb_interface *interface)
* and tell everyone who is waiting for their
* responses that we have shut down.
*/
- list_for_each(entry, &cleanlist) {
- hfa384x_usbctlx_t *ctlx;
-
- ctlx = list_entry(entry, hfa384x_usbctlx_t, list);
+ list_for_each_entry(ctlx, &cleanlist, list)
complete(&ctlx->done);
- }

/* Give any outstanding synchronous commands
* a chance to complete. All they need to do
@@ -199,12 +194,8 @@ static void prism2sta_disconnect_usb(struct usb_interface *interface)
msleep(100);

/* Now delete the CTLXs, because no-one else can now. */
- list_for_each_safe(entry, temp, &cleanlist) {
- hfa384x_usbctlx_t *ctlx;
-
- ctlx = list_entry(entry, hfa384x_usbctlx_t, list);
+ list_for_each_entry_safe(ctlx, temp, &cleanlist, list)
kfree(ctlx);
- }

/* Unhook the wlandev */
unregister_wlandev(wlandev);
--
2.5.0


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