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authorThomas Gleixner <tglx@linutronix.de>2011-02-01 13:52:01 +0000
committerThomas Gleixner <tglx@linutronix.de>2011-02-02 15:28:16 +0100
commit27722df16ef143017db55ac7baac1703a68017ff (patch)
treeeb3bc5743adbddb7811627beb3f8981120cc3a79 /kernel/posix-timers.c
parent838394fbf989973ec7f5a0ad82cb6ff09e5c39aa (diff)
downloadlinux-27722df16ef143017db55ac7baac1703a68017ff.tar.bz2
posix-timers: Convert timer_settime() to clockid_to_kclock()
Set the common function for CLOCK_MONOTONIC and CLOCK_REALTIME kclocks and use the new decoding function. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: John Stultz <johnstul@us.ibm.com> Tested-by: Richard Cochran <richard.cochran@omicron.at> LKML-Reference: <20110201134419.001863714@linutronix.de>
Diffstat (limited to 'kernel/posix-timers.c')
-rw-r--r--kernel/posix-timers.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c
index 4f71382a4ca8..a4dbfe71c5a5 100644
--- a/kernel/posix-timers.c
+++ b/kernel/posix-timers.c
@@ -252,6 +252,7 @@ static __init int init_posix_timers(void)
.nsleep = common_nsleep,
.nsleep_restart = hrtimer_nanosleep_restart,
.timer_create = common_timer_create,
+ .timer_set = common_timer_set,
};
struct k_clock clock_monotonic = {
.clock_getres = hrtimer_get_res,
@@ -259,6 +260,7 @@ static __init int init_posix_timers(void)
.nsleep = common_nsleep,
.nsleep_restart = hrtimer_nanosleep_restart,
.timer_create = common_timer_create,
+ .timer_set = common_timer_set,
};
struct k_clock clock_monotonic_raw = {
.clock_getres = hrtimer_get_res,
@@ -814,6 +816,7 @@ SYSCALL_DEFINE4(timer_settime, timer_t, timer_id, int, flags,
int error = 0;
unsigned long flag;
struct itimerspec *rtn = old_setting ? &old_spec : NULL;
+ struct k_clock *kc;
if (!new_setting)
return -EINVAL;
@@ -829,8 +832,11 @@ retry:
if (!timr)
return -EINVAL;
- error = CLOCK_DISPATCH(timr->it_clock, timer_set,
- (timr, flags, &new_spec, rtn));
+ kc = clockid_to_kclock(timr->it_clock);
+ if (WARN_ON_ONCE(!kc || !kc->timer_set))
+ error = -EINVAL;
+ else
+ error = kc->timer_set(timr, flags, &new_spec, rtn);
unlock_timer(timr, flag);
if (error == TIMER_RETRY) {