timer: Switch callback prototype to take struct timer_list * argument
Since all callbacks have been converted, we can switch the core
prototype to "struct timer_list *" now too.
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
diff --git a/include/linux/timer.h b/include/linux/timer.h
index 20a6e7a..a6d04fb 100644
--- a/include/linux/timer.h
+++ b/include/linux/timer.h
@@ -17,7 +17,7 @@ struct timer_list {
*/
struct hlist_node entry;
unsigned long expires;
- void (*function)(unsigned long);
+ void (*function)(struct timer_list *);
u32 flags;
#ifdef CONFIG_LOCKDEP
@@ -63,7 +63,7 @@ struct timer_list {
#define TIMER_TRACE_FLAGMASK (TIMER_MIGRATING | TIMER_DEFERRABLE | TIMER_PINNED | TIMER_IRQSAFE)
-#define TIMER_DATA_TYPE unsigned long
+#define TIMER_DATA_TYPE struct timer_list *
#define TIMER_FUNC_TYPE void (*)(TIMER_DATA_TYPE)
#define __TIMER_INITIALIZER(_function, _data, _flags) { \
diff --git a/kernel/time/timer.c b/kernel/time/timer.c
index a07eb12..0f0d49a 100644
--- a/kernel/time/timer.c
+++ b/kernel/time/timer.c
@@ -1284,7 +1284,7 @@ int del_timer_sync(struct timer_list *timer)
EXPORT_SYMBOL(del_timer_sync);
#endif
-static void call_timer_fn(struct timer_list *timer, void (*fn)(unsigned long))
+static void call_timer_fn(struct timer_list *timer, void (*fn)(struct timer_list *))
{
int count = preempt_count();
@@ -1308,7 +1308,7 @@ static void call_timer_fn(struct timer_list *timer, void (*fn)(unsigned long))
lock_map_acquire(&lockdep_map);
trace_timer_expire_entry(timer);
- fn((TIMER_DATA_TYPE)timer);
+ fn(timer);
trace_timer_expire_exit(timer);
lock_map_release(&lockdep_map);
@@ -1330,7 +1330,7 @@ static void expire_timers(struct timer_base *base, struct hlist_head *head)
{
while (!hlist_empty(head)) {
struct timer_list *timer;
- void (*fn)(unsigned long);
+ void (*fn)(struct timer_list *);
timer = hlist_entry(head->first, struct timer_list, entry);