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authorWei Yongjun2013-04-12 05:05:54 +0200
committerIngo Molnar2013-04-12 06:33:56 +0200
commitc481420248c6730246d2a1b1773d5d7007ae0835 (patch)
tree492f68be5a65be30745b24bb07628c95ba0cd2a4 /kernel/events
parentftrace: Fix strncpy() use, use strlcpy() instead of strncpy() (diff)
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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>
Diffstat (limited to 'kernel/events')
-rw-r--r--kernel/events/core.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 7f0d67ea3f48..7e0962ed7f8a 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -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;