diff options
Diffstat (limited to 'kernel/trace/trace_dynevent.c')
| -rw-r--r-- | kernel/trace/trace_dynevent.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/trace/trace_dynevent.c b/kernel/trace/trace_dynevent.c index c4dfbc293bae..6f2e39b797e5 100644 --- a/kernel/trace/trace_dynevent.c +++ b/kernel/trace/trace_dynevent.c @@ -116,6 +116,8 @@ int dyn_event_release(const char *raw_command, struct dyn_event_operations *type return ret; } +static int create_dyn_event(const char *raw_command); + /* * Locked version of event creation. The event creation must be protected by * dyn_event_ops_mutex because of protecting trace_probe_log. @@ -124,6 +126,9 @@ int dyn_event_create(const char *raw_command, struct dyn_event_operations *type) { int ret; + if (!type) + return create_dyn_event(raw_command); + mutex_lock(&dyn_event_ops_mutex); ret = type->create(raw_command); mutex_unlock(&dyn_event_ops_mutex); |