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authorIngo Molnar <mingo@elte.hu>2009-10-13 09:31:28 +0200
committerIngo Molnar <mingo@elte.hu>2009-10-13 09:31:34 +0200
commit9dbdd6c41c12fb42ee7188eafa7e1917b192af3a (patch)
tree06a9eb894bc976c5c20e84ccd74fd82b9b71aed4 /kernel/trace/trace_event_profile.c
parent7a693d3f0d10f978ebdf3082c41404ab97106567 (diff)
parent161291396e76e0832c08f617eb9bd364d1648148 (diff)
Merge commit 'v2.6.32-rc4' into perf/core
Merge reason: we were on an -rc1 base, merge up to -rc4. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/trace/trace_event_profile.c')
-rw-r--r--kernel/trace/trace_event_profile.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/kernel/trace/trace_event_profile.c b/kernel/trace/trace_event_profile.c
index dd44b876886..8d5c171cc99 100644
--- a/kernel/trace/trace_event_profile.c
+++ b/kernel/trace/trace_event_profile.c
@@ -31,7 +31,7 @@ static int ftrace_profile_enable_event(struct ftrace_event_call *event)
if (atomic_inc_return(&event->profile_count))
return 0;
- if (!total_profile_count++) {
+ if (!total_profile_count) {
buf = (char *)alloc_percpu(profile_buf_t);
if (!buf)
goto fail_buf;
@@ -46,14 +46,19 @@ static int ftrace_profile_enable_event(struct ftrace_event_call *event)
}
ret = event->profile_enable();
- if (!ret)
+ if (!ret) {
+ total_profile_count++;
return 0;
+ }
- kfree(trace_profile_buf_nmi);
fail_buf_nmi:
- kfree(trace_profile_buf);
+ if (!total_profile_count) {
+ free_percpu(trace_profile_buf_nmi);
+ free_percpu(trace_profile_buf);
+ trace_profile_buf_nmi = NULL;
+ trace_profile_buf = NULL;
+ }
fail_buf:
- total_profile_count--;
atomic_dec(&event->profile_count);
return ret;