diff options
Diffstat (limited to 'kernel/trace/trace_event_profile.c')
-rw-r--r-- | kernel/trace/trace_event_profile.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/kernel/trace/trace_event_profile.c b/kernel/trace/trace_event_profile.c index dd44b8768867..8d5c171cc998 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) | |||
31 | if (atomic_inc_return(&event->profile_count)) | 31 | if (atomic_inc_return(&event->profile_count)) |
32 | return 0; | 32 | return 0; |
33 | 33 | ||
34 | if (!total_profile_count++) { | 34 | if (!total_profile_count) { |
35 | buf = (char *)alloc_percpu(profile_buf_t); | 35 | buf = (char *)alloc_percpu(profile_buf_t); |
36 | if (!buf) | 36 | if (!buf) |
37 | goto fail_buf; | 37 | goto fail_buf; |
@@ -46,14 +46,19 @@ static int ftrace_profile_enable_event(struct ftrace_event_call *event) | |||
46 | } | 46 | } |
47 | 47 | ||
48 | ret = event->profile_enable(); | 48 | ret = event->profile_enable(); |
49 | if (!ret) | 49 | if (!ret) { |
50 | total_profile_count++; | ||
50 | return 0; | 51 | return 0; |
52 | } | ||
51 | 53 | ||
52 | kfree(trace_profile_buf_nmi); | ||
53 | fail_buf_nmi: | 54 | fail_buf_nmi: |
54 | kfree(trace_profile_buf); | 55 | if (!total_profile_count) { |
56 | free_percpu(trace_profile_buf_nmi); | ||
57 | free_percpu(trace_profile_buf); | ||
58 | trace_profile_buf_nmi = NULL; | ||
59 | trace_profile_buf = NULL; | ||
60 | } | ||
55 | fail_buf: | 61 | fail_buf: |
56 | total_profile_count--; | ||
57 | atomic_dec(&event->profile_count); | 62 | atomic_dec(&event->profile_count); |
58 | 63 | ||
59 | return ret; | 64 | return ret; |