---

yaml
---
r: 43639
b: refs/heads/master
c: f020bc4
h: refs/heads/master
i:
  43637: 78ea929
  43635: 6640a6c
  43631: a8cb7f5
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 84d737866e2babdeab0c6b18ea155c6a649663b8
+refs/heads/master: f020bc468fe4a91d32046d448511978c7b611315

trunk/kernel/sys.c

@@ -1397,16 +1397,13 @@ asmlinkage long sys_setpgid(pid_t pid, pid_t pgid)
 		goto out;
 
 	if (pgid != pid) {
-		struct task_struct *p;
+		struct task_struct *g =
+			find_task_by_pid_type(PIDTYPE_PGID, pgid);
 
-		do_each_task_pid(pgid, PIDTYPE_PGID, p) {
-			if (process_session(p) == process_session(group_leader))
-				goto ok_pgid;
-		} while_each_task_pid(pgid, PIDTYPE_PGID, p);
-		goto out;
+		if (!g || process_session(g) != process_session(group_leader))
+			goto out;
 	}
 
-ok_pgid:
 	err = security_task_setpgid(p, pgid);
 	if (err)
 		goto out;