[PATCH 11/12] trace: use prepare credential guard
From: Christian Brauner <brauner@kernel.org>
Date: 2025-11-03 14:58:27
Also in:
cgroups, linux-cifs, linux-crypto, linux-fsdevel, linux-nfs, linux-trace-kernel, linux-unionfs, lkml
Subsystem:
the rest, tracing · Maintainers:
Linus Torvalds, Steven Rostedt, Masami Hiramatsu
Use the prepare credential guard for allocating a new set of credentials. Signed-off-by: Christian Brauner <brauner@kernel.org> --- kernel/trace/trace_events_user.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/kernel/trace/trace_events_user.c b/kernel/trace/trace_events_user.c
index c428dafe7496..3461b1d29276 100644
--- a/kernel/trace/trace_events_user.c
+++ b/kernel/trace/trace_events_user.c@@ -1453,8 +1453,7 @@ static int user_event_set_call_visible(struct user_event *user, bool visible) const struct cred *old_cred; struct cred *cred; - cred = prepare_creds(); - + CLASS(prepare_creds, cred)(); if (!cred) return -ENOMEM;
@@ -1477,7 +1476,6 @@ 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; }
--
2.47.3