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| author | Sasha Levin <sasha.levin@oracle.com> | 2014-08-06 16:08:14 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-09-17 09:19:09 -0700 |
| commit | 7ca5cd1e33333809622d07f34dccd39ceba10e4a (patch) | |
| tree | 0a7af49f034bd86f91d459f8a5d5f57721a2a011 | |
| parent | 1ae2c97a0a284ca73754acd2b3be33fe4f2505b2 (diff) | |
| download | lwn-7ca5cd1e33333809622d07f34dccd39ceba10e4a.tar.gz lwn-7ca5cd1e33333809622d07f34dccd39ceba10e4a.zip | |
kernel/smp.c:on_each_cpu_cond(): fix warning in fallback path
commit 618fde872163e782183ce574c77f1123e2be8887 upstream.
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>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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 ffee35bef179..ff87d4479558 100644 --- a/kernel/smp.c +++ b/kernel/smp.c @@ -617,7 +617,7 @@ 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(); } |