[patch 18/28] posix-timers: Convert timer_delete() toclockid_to_kclock()

[Thomas Gleixner]

Set the common function for CLOCK_MONOTONIC and CLOCK_REALTIME kclocks
and use the new decoding function. No need to check for the return
value of it. If we have data corruption in the timer, we explode
somewhere else anyway. Also all kclocks which implement timer_create()
need to provide timer_delete() as well.

Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: John Stultz <john.stultz@xxxxxxxxxx>
Cc: Richard Cochran <richard.cochran@xxxxxxxxxx>
---
 kernel/posix-timers.c |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

Index: linux-2.6-tip/kernel/posix-timers.c
===================================================================
--- linux-2.6-tip.orig/kernel/posix-timers.c
+++ linux-2.6-tip/kernel/posix-timers.c
@@ -254,6 +254,7 @@ static __init int init_posix_timers(void
 		.timer_create	= common_timer_create,
 		.timer_set	= common_timer_set,
 		.timer_get	= common_timer_get,
+		.timer_del	= common_timer_del,
 	};
 	struct k_clock clock_monotonic = {
 		.clock_getres	= hrtimer_get_res,
@@ -263,6 +264,7 @@ static __init int init_posix_timers(void
 		.timer_create	= common_timer_create,
 		.timer_set	= common_timer_set,
 		.timer_get	= common_timer_get,
+		.timer_del	= common_timer_del,
 	};
 	struct k_clock clock_monotonic_raw = {
 		.clock_getres	= hrtimer_get_res,
@@ -852,7 +854,9 @@ static inline int common_timer_del(struc
 
 static inline int timer_delete_hook(struct k_itimer *timer)
 {
-	return CLOCK_DISPATCH(timer->it_clock, timer_del, (timer));
+	struct k_clock *kc = clockid_to_kclock(timer->it_clock);
+
+	return kc->timer_del(timer);
 }
 
 /* Delete a POSIX.1b interval timer. */


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