perf: Fix error return code
authorWei Yongjun <yongjun_wei@trendmicro.com.cn>
Fri, 12 Apr 2013 03:05:54 +0000 (11:05 +0800)
committerIngo Molnar <mingo@kernel.org>
Fri, 12 Apr 2013 04:33:56 +0000 (06:33 +0200)
commitc481420248c6730246d2a1b1773d5d7007ae0835
tree492f68be5a65be30745b24bb07628c95ba0cd2a4
parent75761cc15877c155b3849b4e0e0cb3f897faf471
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>
kernel/events/core.c