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trace: avoid pointless cred reference count bump

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The creds are allocated via prepare_creds() which has already taken a
reference.

Link: https://lore.kernel.org/r/20241125-work-cred-v2-25-68b9d38bb5b2@kernel.org
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Christian Brauner
2024-11-25 15:10:21 +01:00
parent 34ab26fb6b
commit aeca632b31
1 changed files with 2 additions and 2 deletions
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4
kernel/trace/trace_events_user.c
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@@ -1469,14 +1469,14 @@ static int user_event_set_call_visible(struct user_event *user, bool visible)
*/
cred->fsuid = GLOBAL_ROOT_UID;
old_cred = override_creds(get_new_cred(cred));
old_cred = override_creds(cred);
if (visible)
ret = trace_add_event_call(&user->call);
else
ret = trace_remove_event_call(&user->call);
put_cred(revert_creds(old_cred));
revert_creds(old_cred);
put_cred(cred);
return ret;