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kernel/smp.c:on_each_cpu_cond(): fix warning in fallback path

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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 <[email protected]>
Cc: Christoph Lameter <[email protected]>
Cc: Gilad Ben-Yossef <[email protected]>
Cc: David Rientjes <[email protected]>
Cc: Joonsoo Kim <[email protected]>
Cc: Tejun Heo <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Sasha Levin 2014-08-06 16:08:14 -07:00 • committed by Linus Torvalds
commit 618fde8721
1 changed files with 1 additions and 1 deletions
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2
kernel/smp.c
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@ -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();
}