From f735295b14ae073a8302d7b1da894bc597724557 Mon Sep 17 00:00:00 2001
From: Markus Armbruster <armbru@redhat.com>
Date: Wed, 30 Apr 2008 00:54:52 -0700
Subject: printk: don't read beyond string arguments' terminating zero

Fix update_console_cmdline() not to to read beyond the terminating zero of its
name argument.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/kernel/printk.c b/kernel/printk.c
index e61346f..8fb01c3 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -921,7 +921,7 @@ int update_console_cmdline(char *name, int idx, char *name_new, int idx_new, cha
 		if (strcmp(console_cmdline[i].name, name) == 0 &&
 			  console_cmdline[i].index == idx) {
 				c = &console_cmdline[i];
-				memcpy(c->name, name_new, sizeof(c->name));
+				strlcpy(c->name, name_new, sizeof(c->name));
 				c->name[sizeof(c->name) - 1] = 0;
 				c->options = options;
 				c->index = idx_new;
-- 
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