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oprofile, ARM: Release resources on failure

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This patch fixes a resource leak on failure, where the
oprofilefs and some counters may not released properly.

Signed-off-by: Robert Richter <[email protected]>
Acked-by: Will Deacon <[email protected]>
Cc: [email protected]
Cc: <[email protected]> # .35.x
LKML-Reference: <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Robert Richter 2010-09-29 16:52:25 +02:00
commit 81771974ae
1 changed files with 1 additions and 0 deletions
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1
drivers/oprofile/oprofile_perf.c
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@ -84,6 +84,7 @@ static int op_create_counter(int cpu, int event)
if (IS_ERR(pevent)) {
ret = PTR_ERR(pevent);
} else if (pevent->state != PERF_EVENT_STATE_ACTIVE) {
perf_event_release_kernel(pevent);
pr_warning("oprofile: failed to enable event %d "
"on CPU %d\n", event, cpu);
ret = -EBUSY;