diff options
Diffstat (limited to 'kernel/trace/trace.c')
| -rw-r--r-- | kernel/trace/trace.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 752e5daf0896..5f1ac7d3402c 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -7687,6 +7687,7 @@ static int instance_mkdir(const char *name) struct trace_array *tr; int ret; + mutex_lock(&event_mutex); mutex_lock(&trace_types_lock); ret = -EEXIST; @@ -7742,6 +7743,7 @@ static int instance_mkdir(const char *name) list_add(&tr->list, &ftrace_trace_arrays); mutex_unlock(&trace_types_lock); + mutex_unlock(&event_mutex); return 0; @@ -7753,6 +7755,7 @@ static int instance_mkdir(const char *name) out_unlock: mutex_unlock(&trace_types_lock); + mutex_unlock(&event_mutex); return ret; @@ -7765,6 +7768,7 @@ static int instance_rmdir(const char *name) int ret; int i; + mutex_lock(&event_mutex); mutex_lock(&trace_types_lock); ret = -ENODEV; @@ -7810,6 +7814,7 @@ static int instance_rmdir(const char *name) out_unlock: mutex_unlock(&trace_types_lock); + mutex_unlock(&event_mutex); return ret; } |