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| author | Sasha Levin <sasha.levin@oracle.com> | 2014-08-06 16:08:14 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-08-06 18:01:22 -0700 |
| commit | 618fde872163e782183ce574c77f1123e2be8887 (patch) | |
| tree | ac73373be86f8f44d32f8484b24e64581eb65f24 | |
| parent | dbffcd03d77a3fb4d80a7981c7e589fc35769e9b (diff) | |
| download | lwn-618fde872163e782183ce574c77f1123e2be8887.tar.gz lwn-618fde872163e782183ce574c77f1123e2be8887.zip | |
kernel/smp.c:on_each_cpu_cond(): fix warning in fallback path
The rarely-executed memry-allocation-failed callback path generates a
WARN_ON_ONCE() when smp_call_function_single() succeeds. Presumably
it's supposed to warn on failures.
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Cc: Christoph Lameter <cl@gentwo.org>
Cc: Gilad Ben-Yossef <gilad@benyossef.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Tejun Heo <htejun@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | kernel/smp.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/smp.c b/kernel/smp.c index 487653b5844f..aff8aa14f547 100644 --- a/kernel/smp.c +++ b/kernel/smp.c @@ -670,7 +670,7 @@ void on_each_cpu_cond(bool (*cond_func)(int cpu, void *info), if (cond_func(cpu, info)) { ret = smp_call_function_single(cpu, func, info, wait); - WARN_ON_ONCE(!ret); + WARN_ON_ONCE(ret); } preempt_enable(); } |