This is a note to let you know that I've just added the patch titled
perf: Fix error return code
to the 3.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
perf-fix-error-return-code.patch
and it can be found in the queue-3.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From c481420248c6730246d2a1b1773d5d7007ae0835 Mon Sep 17 00:00:00 2001
From: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>
Date: Fri, 12 Apr 2013 11:05:54 +0800
Subject: perf: Fix error return code
From: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>
commit c481420248c6730246d2a1b1773d5d7007ae0835 upstream.
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@xxxxxxxxxxxxxxxxx>
Cc: a.p.zijlstra@xxxxxxxxx
Cc: paulus@xxxxxxxxx
Cc: acme@xxxxxxxxxxxxxxxxxx
Link: http://lkml.kernel.org/r/CAPgLHd8j_fWcgqe%3DKLWjpBj%2B%3Do0Pw6Z-SEq%3DNTPU08c2w1tngQ@xxxxxxxxxxxxxx
[ Tweaked the error code setting placement and the changelog. ]
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Rui Xiang <rui.xiang@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
kernel/events/core.c | 1 +
1 file changed, 1 insertion(+)
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -5871,6 +5871,7 @@ 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;
Patches currently in stable-queue which might be from yongjun_wei@xxxxxxxxxxxxxxxxx are
queue-3.4/perf-fix-error-return-code.patch
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