Commit c4814202 authored Apr 12, 2013 by Wei Yongjun Committed by Ingo Molnar Apr 12, 2013

perf: Fix error return code

Fix to return -ENOMEM in the allocation error case instead of 0
(if pmu_bus_running == 1), as done elsewhere in this function.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Cc: a.p.zijlstra@chello.nl
Cc: paulus@samba.org
Cc: acme@ghostprotocols.net
Link: http://lkml.kernel.org/r/CAPgLHd8j_fWcgqe%3DKLWjpBj%2B%3Do0Pw6Z-SEq%3DNTPU08c2w1tngQ@mail.gmail.com

[ Tweaked the error code setting placement and the changelog. ]
Signed-off-by: Ingo Molnar <mingo@kernel.org>

parent 75761cc1

kernel/events/core.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -5987,6 +5987,7 @@ skip_type:
		if (pmu->pmu_cpu_context)
		goto got_cpu_context;

		ret = -ENOMEM;
		pmu->pmu_cpu_context = alloc_percpu(struct perf_cpu_context);
		if (!pmu->pmu_cpu_context)
		goto free_dev;

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