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-rw-r--r--kernel/posix-timers.c20
1 files changed, 8 insertions, 12 deletions
diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c
index ee69b216d5c3..4dd86d15bbd0 100644
--- a/kernel/posix-timers.c
+++ b/kernel/posix-timers.c
@@ -277,12 +277,14 @@ static __init int init_posix_timers(void)
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 @@ SYSCALL_DEFINE4(clock_nanosleep, const clockid_t, which_clock, int, flags,
}
/*
- * 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);
+
+ if (WARN_ON_ONCE(!kc || !kc->nsleep_restart))
+ return -EINVAL;
- return CLOCK_DISPATCH(which_clock, nsleep_restart,
- (restart_block));
+ return kc->nsleep_restart(restart_block);
}