---

yaml --- r: 210363 b: refs/heads/master c: 950eaac h: refs/heads/master i: 210361: 0c3ddbe 210359: 4797887 v: v3
git-mirror · Sep 1, 2010 · e143244 · e143244
1 parent 87d6c87
commit e143244
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Showing 2 changed files with 3 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 6cb6cbeaa9d6573c674842b9471c0467967aae99
+refs/heads/master: 950eaaca681c44aab87a46225c9e44f902c080aa
diff --git a/trunk/kernel/sys.c b/trunk/kernel/sys.c
@@ -931,6 +931,7 @@ SYSCALL_DEFINE2(setpgid, pid_t, pid, pid_t, pgid)
 		pgid = pid;
 	if (pgid < 0)
 		return -EINVAL;
+	rcu_read_lock();
 
 	/* From this point forward we keep holding onto the tasklist lock
 	 * so that our parent does not change from under us. -DaveM
@@ -984,6 +985,7 @@ SYSCALL_DEFINE2(setpgid, pid_t, pid, pid_t, pgid)
 out:
 	/* All paths lead to here, thus we are safe. -DaveM */
 	write_unlock_irq(&tasklist_lock);
+	rcu_read_unlock();
 	return err;
 }