[PATCH] drivers/net: packetengines: Convert timers to use timer_setup()

From: Kees Cook
Date: Fri Oct 27 2017 - 01:56:41 EST


In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
to pass the timer pointer explicitly.

Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
Cc: Allen Pais <allen.lkml@xxxxxxxxx>
Cc: yuan linyu <Linyu.Yuan@xxxxxxxxxxxxxxxxxxxx>
Cc: Philippe Reynes <tremyfr@xxxxxxxxx>
Cc: netdev@xxxxxxxxxxxxxxx
Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
---
drivers/net/ethernet/packetengines/hamachi.c | 14 +++++++-------
drivers/net/ethernet/packetengines/yellowfin.c | 10 +++++-----
2 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/drivers/net/ethernet/packetengines/hamachi.c b/drivers/net/ethernet/packetengines/hamachi.c
index 77bc7cca8980..c9529c29a0a7 100644
--- a/drivers/net/ethernet/packetengines/hamachi.c
+++ b/drivers/net/ethernet/packetengines/hamachi.c
@@ -413,13 +413,13 @@ that case.

/* The rest of these values should never change. */

-static void hamachi_timer(unsigned long data);
+static void hamachi_timer(struct timer_list *t);

enum capability_flags {CanHaveMII=1, };
static const struct chip_info {
u16 vendor_id, device_id, device_id_mask, pad;
const char *name;
- void (*media_timer)(unsigned long data);
+ void (*media_timer)(struct timer_list *t);
int flags;
} chip_tbl[] = {
{0x1318, 0x0911, 0xffff, 0, "Hamachi GNIC-II", hamachi_timer, 0},
@@ -547,7 +547,7 @@ static int mdio_read(struct net_device *dev, int phy_id, int location);
static void mdio_write(struct net_device *dev, int phy_id, int location, int value);
static int hamachi_open(struct net_device *dev);
static int netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
-static void hamachi_timer(unsigned long data);
+static void hamachi_timer(struct timer_list *t);
static void hamachi_tx_timeout(struct net_device *dev);
static void hamachi_init_ring(struct net_device *dev);
static netdev_tx_t hamachi_start_xmit(struct sk_buff *skb,
@@ -979,7 +979,7 @@ static int hamachi_open(struct net_device *dev)
dev->name, readw(ioaddr + RxStatus), readw(ioaddr + TxStatus));
}
/* Set the timer to check for link beat. */
- setup_timer(&hmp->timer, hamachi_timer, (unsigned long)dev);
+ timer_setup(&hmp->timer, hamachi_timer, 0);
hmp->timer.expires = RUN_AT((24*HZ)/10); /* 2.4 sec. */
add_timer(&hmp->timer);

@@ -1017,10 +1017,10 @@ static inline int hamachi_tx(struct net_device *dev)
return 0;
}

-static void hamachi_timer(unsigned long data)
+static void hamachi_timer(struct timer_list *t)
{
- struct net_device *dev = (struct net_device *)data;
- struct hamachi_private *hmp = netdev_priv(dev);
+ struct hamachi_private *hmp = from_timer(hmp, t, timer);
+ struct net_device *dev = hmp->mii_if.dev;
void __iomem *ioaddr = hmp->base;
int next_tick = 10*HZ;

diff --git a/drivers/net/ethernet/packetengines/yellowfin.c b/drivers/net/ethernet/packetengines/yellowfin.c
index 33c241f52a71..54224d1822e3 100644
--- a/drivers/net/ethernet/packetengines/yellowfin.c
+++ b/drivers/net/ethernet/packetengines/yellowfin.c
@@ -343,7 +343,7 @@ static int mdio_read(void __iomem *ioaddr, int phy_id, int location);
static void mdio_write(void __iomem *ioaddr, int phy_id, int location, int value);
static int netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
static int yellowfin_open(struct net_device *dev);
-static void yellowfin_timer(unsigned long data);
+static void yellowfin_timer(struct timer_list *t);
static void yellowfin_tx_timeout(struct net_device *dev);
static int yellowfin_init_ring(struct net_device *dev);
static netdev_tx_t yellowfin_start_xmit(struct sk_buff *skb,
@@ -632,7 +632,7 @@ static int yellowfin_open(struct net_device *dev)
}

/* Set the timer to check for link beat. */
- setup_timer(&yp->timer, yellowfin_timer, (unsigned long)dev);
+ timer_setup(&yp->timer, yellowfin_timer, 0);
yp->timer.expires = jiffies + 3*HZ;
add_timer(&yp->timer);
out:
@@ -643,10 +643,10 @@ static int yellowfin_open(struct net_device *dev)
goto out;
}

-static void yellowfin_timer(unsigned long data)
+static void yellowfin_timer(struct timer_list *t)
{
- struct net_device *dev = (struct net_device *)data;
- struct yellowfin_private *yp = netdev_priv(dev);
+ struct yellowfin_private *yp = from_timer(yp, t, timer);
+ struct net_device *dev = pci_get_drvdata(yp->pci_dev);
void __iomem *ioaddr = yp->base;
int next_tick = 60*HZ;

--
2.7.4


--
Kees Cook
Pixel Security