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trace: use prepare credential guard

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Use the prepare credential guard for allocating a new set of
credentials.

Link: https://patch.msgid.link/20251103-work-creds-guards-prepare_creds-v1-11-b447b82f2c9b@kernel.org
Acked-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Christian Brauner 2025-11-03 15:57:37 +01:00
parent 545985dd37
commit 2ed6a34de9
No known key found for this signature in database
GPG Key ID: 91C61BC06578DCA2
1 changed files with 1 additions and 4 deletions
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5
kernel/trace/trace_events_user.c
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@ -1451,10 +1451,8 @@ static int user_event_set_call_visible(struct user_event *user, bool visible)
{
int ret;
const struct cred *old_cred;
struct cred *cred;
cred = prepare_creds();
CLASS(prepare_creds, cred)();
if (!cred)
return -ENOMEM;
@ -1477,7 +1475,6 @@ static int user_event_set_call_visible(struct user_event *user, bool visible)
ret = trace_remove_event_call(&user->call);
revert_creds(old_cred);
put_cred(cred);
return ret;
}