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author | Chris Fries <cfries@google.com> | 2017-03-07 15:37:47 -0600 |
---|---|---|
committer | Michael Bestas <mkbestas@lineageos.org> | 2019-12-23 23:43:38 +0200 |
commit | 3a1d14f58f520b8c02e4475c714af3fa72c75c3e (patch) | |
tree | 7838943ac07de902ede74ac57279e49b542ff84d /kernel/time/posix-cpu-timers.c | |
parent | 68ad13d015704093618bf78dfa74778b5c4c79d4 (diff) |
posix_cpu_timer: check return on cpu_timer_sample_group
If error, don't trust "now" time that it should be setting
kernel/time/posix-cpu-timers.c:1269:13: warning: 'now' may be used uninitialized in this function [-Wmaybe-uninitialized]
Change-Id: I679d99c335494bae50fd926663fad37aedb1487a
Signed-off-by: Chris Fries <cfries@google.com>
Diffstat (limited to 'kernel/time/posix-cpu-timers.c')
-rw-r--r-- | kernel/time/posix-cpu-timers.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/time/posix-cpu-timers.c b/kernel/time/posix-cpu-timers.c index d176c127f744..0a4f0c09bcbf 100644 --- a/kernel/time/posix-cpu-timers.c +++ b/kernel/time/posix-cpu-timers.c @@ -1253,7 +1253,8 @@ void set_process_cpu_timer(struct task_struct *tsk, unsigned int clock_idx, unsigned long long now = 0; WARN_ON_ONCE(clock_idx == CPUCLOCK_SCHED); - cpu_timer_sample_group(clock_idx, tsk, &now); + if (cpu_timer_sample_group(clock_idx, tsk, &now)) + return; if (oldval) { /* |