sys_setsid: remove now unneeded session != 1 check
Eric's "fix clone(CLONE_NEWPID)" eliminated the last reason for this hack.
Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Roland McGrath <roland@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/kernel/sys.c b/kernel/sys.c
index 7de9c98..ee2e78d 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -1056,11 +1056,8 @@
/* Fail if a process group id already exists that equals the
* proposed session id.
- *
- * Don't check if session == 1, clone(CLONE_NEWPID) creates
- * this group/session beforehand.
*/
- if (session != 1 && pid_task(sid, PIDTYPE_PGID))
+ if (pid_task(sid, PIDTYPE_PGID))
goto out;
group_leader->signal->leader = 1;