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net/lapb: Convert timers to use timer_setup()

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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@davemloft.net>
Cc: Hans Liljestrand <ishkamiel@gmail.com>
Cc: "Reshetova, Elena" <elena.reshetova@intel.com>
Cc: linux-x25@vger.kernel.org
Cc: netdev@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Kees Cook 2017-10-16 17:28:46 -07:00 committed by David S. Miller
parent eb4ddaf474
commit 83a37b3292
2 changed files with 10 additions and 12 deletions
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4
net/lapb/lapb_iface.c
View file

@ -127,8 +127,8 @@ static struct lapb_cb *lapb_create_cb(void)
skb_queue_head_init(&lapb->write_queue);
skb_queue_head_init(&lapb->ack_queue);
init_timer(&lapb->t1timer);
init_timer(&lapb->t2timer);
timer_setup(&lapb->t1timer, NULL, 0);
timer_setup(&lapb->t2timer, NULL, 0);
lapb->t1 = LAPB_DEFAULT_T1;
lapb->t2 = LAPB_DEFAULT_T2;

18
net/lapb/lapb_timer.c
View file

@ -35,15 +35,14 @@
#include <linux/interrupt.h>
#include <net/lapb.h>
static void lapb_t1timer_expiry(unsigned long);
static void lapb_t2timer_expiry(unsigned long);
static void lapb_t1timer_expiry(struct timer_list *);
static void lapb_t2timer_expiry(struct timer_list *);
void lapb_start_t1timer(struct lapb_cb *lapb)
{
del_timer(&lapb->t1timer);
lapb->t1timer.data = (unsigned long)lapb;
lapb->t1timer.function = &lapb_t1timer_expiry;
lapb->t1timer.function = (TIMER_FUNC_TYPE)lapb_t1timer_expiry;
lapb->t1timer.expires = jiffies + lapb->t1;
add_timer(&lapb->t1timer);
@ -53,8 +52,7 @@ void lapb_start_t2timer(struct lapb_cb *lapb)
{
del_timer(&lapb->t2timer);
lapb->t2timer.data = (unsigned long)lapb;
lapb->t2timer.function = &lapb_t2timer_expiry;
lapb->t2timer.function = (TIMER_FUNC_TYPE)lapb_t2timer_expiry;
lapb->t2timer.expires = jiffies + lapb->t2;
add_timer(&lapb->t2timer);
@ -75,9 +73,9 @@ int lapb_t1timer_running(struct lapb_cb *lapb)
return timer_pending(&lapb->t1timer);
}
static void lapb_t2timer_expiry(unsigned long param)
static void lapb_t2timer_expiry(struct timer_list *t)
{
struct lapb_cb *lapb = (struct lapb_cb *)param;
struct lapb_cb *lapb = from_timer(lapb, t, t2timer);
if (lapb->condition & LAPB_ACK_PENDING_CONDITION) {
lapb->condition &= ~LAPB_ACK_PENDING_CONDITION;
@ -85,9 +83,9 @@ static void lapb_t2timer_expiry(unsigned long param)
}
}
static void lapb_t1timer_expiry(unsigned long param)
static void lapb_t1timer_expiry(struct timer_list *t)
{
struct lapb_cb *lapb = (struct lapb_cb *)param;
struct lapb_cb *lapb = from_timer(lapb, t, t1timer);
switch (lapb->state) {