[PATCH] signal error return fix

diff -u --recursive --new-file -X /linux/dontdiff a/kernel/sys.c b/kernel/sys.c
--- a/kernel/sys.c	Tue Feb 11 09:14:18 2003
+++ b/kernel/sys.c	Tue Feb 11 10:13:26 2003
@@ -916,6 +916,7 @@
 	p = find_task_by_pid(pid);
 	if (!p)
 		goto out;
+
 	err = -EINVAL;
 	if (!thread_group_leader(p))
 		goto out;
@@ -927,11 +928,16 @@
 		err = -EACCES;
 		if (p->did_exec)
 			goto out;
-	} else if (p != current)
-		goto out;
+	} else {
+		err = -ESRCH;
+		if (p != current)
+			goto out;
+	}
+
 	err = -EPERM;
 	if (p->leader)
 		goto out;
+
 	if (pgid != pid) {
 		struct task_struct *p;
 		struct pid *pid;