diff options
| author |   Frederic Weisbecker <fweisbec@gmail.com> | 2009-03-16 01:45:03 +0100 |
|---|---|---|
| committer |   Ingo Molnar <mingo@elte.hu> | 2009-03-16 09:13:18 +0100 |
| commit | 2fc1dfbe17e7705c55b7a99da995fa565e26f151 (patch) | |
| tree | 8d7ecb57fdefdfac5bdff6ee3a82485e2ea4340a /kernel | |
| parent | tracing/ftrace: fix double calls to tracing_start() (diff) | |
| download | linux-dev-2fc1dfbe17e7705c55b7a99da995fa565e26f151.tar.xz linux-dev-2fc1dfbe17e7705c55b7a99da995fa565e26f151.zip | |
tracing/core: fix early free of cpumasks
Impact: fix crashes when tracing cpumasks
While ring-buffer allocation, the cpumasks are allocated too,
including the tracing cpumask and the per-cpu file mask handler.
But these cpumasks are freed accidentally just after.
Fix it.
Reported-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <1237164303-11476-1-git-send-email-fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/trace/trace.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index c0cf946d42f5..ae32d3b99b4b 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -4125,7 +4125,8 @@ __init static int tracer_alloc_buffers(void) &trace_panic_notifier); register_die_notifier(&trace_die_notifier); - ret = 0; + + return 0; out_free_cpumask: free_cpumask_var(tracing_reader_cpumask); |