Commit-ID: c6503be587e9c5c0aac4e2b45de982352f676a5b
Gitweb: http://git.kernel.org/tip/c6503be587e9c5c0aac4e2b45de982352f676a5b
Author: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
AuthorDate: Mon, 12 Jun 2017 17:21:26 +0200
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Mon, 12 Jun 2017 17:29:07 +0200
posix-timers: Fix inverted SIGEV_NONE logic in common_timer_get()
The refactoring of the posix-timer core to allow better code sharing
introduced inverted logic vs. SIGEV_NONE timers in common_timer_get().
That causes hrtimer_forward() to be called on active timers, which
rightfully triggers the warning hrtimer_forward().
Make sig_none what it says: signal mode == SIGEV_NONE.
Fixes: 91d57bae0868 ("posix-timers: Make use of forward/remaining callbacks")
Reported-by: Ye Xiaolong <xiaolong.ye@xxxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: John Stultz <john.stultz@xxxxxxxxxx>
Link: http://lkml.kernel.org/r/20170609104457.GA39907@xxxxxxxxxxxxxxxxx
---
kernel/time/posix-timers.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/time/posix-timers.c b/kernel/time/posix-timers.c
index 6e7a70b1..b53a0b5 100644
--- a/kernel/time/posix-timers.c
+++ b/kernel/time/posix-timers.c
@@ -644,7 +644,7 @@ void common_timer_get(struct k_itimer *timr, struct itimerspec64 *cur_setting)
struct timespec64 ts64;
bool sig_none;
- sig_none = (timr->it_sigev_notify & ~SIGEV_THREAD_ID) != SIGEV_NONE;
+ sig_none = (timr->it_sigev_notify & ~SIGEV_THREAD_ID) == SIGEV_NONE;
iv = timr->it_interval;
/* interval timer ? */
--
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