posix-timers: Convert clock_nanosleep_restart to clockid_to_kclock()
Use the new kclock decoding function in clock_nanosleep_restart.
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: <20110201134418.131263211@linutronix.de>
diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c
index ee69b21..4dd86d1 100644
--- a/kernel/posix-timers.c
+++ b/kernel/posix-timers.c
@@ -277,12 +277,14 @@
struct k_clock clock_realtime = {
.clock_getres = hrtimer_get_res,
.nsleep = common_nsleep,
+ .nsleep_restart = hrtimer_nanosleep_restart,
};
struct k_clock clock_monotonic = {
.clock_getres = hrtimer_get_res,
.clock_get = posix_ktime_get_ts,
.clock_set = do_posix_clock_nosettime,
.nsleep = common_nsleep,
+ .nsleep_restart = hrtimer_nanosleep_restart,
};
struct k_clock clock_monotonic_raw = {
.clock_getres = hrtimer_get_res,
@@ -1027,22 +1029,16 @@
}
/*
- * nanosleep_restart for monotonic and realtime clocks
- */
-static int common_nsleep_restart(struct restart_block *restart_block)
-{
- return hrtimer_nanosleep_restart(restart_block);
-}
-
-/*
* This will restart clock_nanosleep. This is required only by
* compat_clock_nanosleep_restart for now.
*/
-long
-clock_nanosleep_restart(struct restart_block *restart_block)
+long clock_nanosleep_restart(struct restart_block *restart_block)
{
clockid_t which_clock = restart_block->arg0;
+ struct k_clock *kc = clockid_to_kclock(which_clock);
- return CLOCK_DISPATCH(which_clock, nsleep_restart,
- (restart_block));
+ if (WARN_ON_ONCE(!kc || !kc->nsleep_restart))
+ return -EINVAL;
+
+ return kc->nsleep_restart(restart_block);
}