tracing/core: fix missing mutex unlock on tracing_set_tracer()
Impact: fix possible locking imbalance
In case of ring buffer resize failure, tracing_set_tracer forgot to
release trace_types_lock. Fix it.
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <1237151439-6755-5-git-send-email-fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index efe3202..c0cf946 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -2494,7 +2494,7 @@
if (!ring_buffer_expanded) {
ret = tracing_resize_ring_buffer(trace_buf_size);
if (ret < 0)
- return ret;
+ goto out;
ret = 0;
}