diff options
| -rw-r--r-- | kernel/trace/trace_events_user.c | 17 |
1 files changed, 5 insertions, 12 deletions
diff --git a/kernel/trace/trace_events_user.c b/kernel/trace/trace_events_user.c index 28c62149eec5..b15854c75d4f 100644 --- a/kernel/trace/trace_events_user.c +++ b/kernel/trace/trace_events_user.c @@ -1449,9 +1449,6 @@ static struct trace_event_functions user_event_funcs = { static int user_event_set_call_visible(struct user_event *user, bool visible) { - int ret; - const struct cred *old_cred; - CLASS(prepare_creds, cred)(); if (!cred) return -ENOMEM; @@ -1467,16 +1464,12 @@ static int user_event_set_call_visible(struct user_event *user, bool visible) */ cred->fsuid = GLOBAL_ROOT_UID; - old_cred = override_creds(cred); - - if (visible) - ret = trace_add_event_call(&user->call); - else - ret = trace_remove_event_call(&user->call); + scoped_with_creds(cred) { + if (visible) + return trace_add_event_call(&user->call); - revert_creds(old_cred); - - return ret; + return trace_remove_event_call(&user->call); + } } static int destroy_user_event(struct user_event *user) |