audit: don't check if kauditd is valid every time
We only need to check if kauditd is valid after we start it, if kauditd
is invalid, we will set kauditd_task to NULL. So next time, we will
start kauditd again.
It means if kauditd_task is not NULL,it must be valid.
Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com>
Cc: Eric Paris <eparis@redhat.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/kernel/audit.c b/kernel/audit.c
index d596e53..9816a1b 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -660,14 +660,14 @@
/* As soon as there's any sign of userspace auditd,
* start kauditd to talk to it */
- if (!kauditd_task)
+ if (!kauditd_task) {
kauditd_task = kthread_run(kauditd_thread, NULL, "kauditd");
- if (IS_ERR(kauditd_task)) {
- err = PTR_ERR(kauditd_task);
- kauditd_task = NULL;
- return err;
+ if (IS_ERR(kauditd_task)) {
+ err = PTR_ERR(kauditd_task);
+ kauditd_task = NULL;
+ return err;
+ }
}
-
loginuid = audit_get_loginuid(current);
sessionid = audit_get_sessionid(current);
security_task_getsecid(current, &sid);