From: Lei Wen <leiwen@marvell.com>
Date: Tue, 15 Feb 2011 08:56:40 +0000 (+0800)
Subject: disk/part.c: fix potential stack overflow bug
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=b16aadf411280fc426d7488ddd8a5b2038b7194d;p=project%2Fbcm63xx%2Fu-boot.git

disk/part.c: fix potential stack overflow bug

If the param pass to get_dev is not the one defined in the block_drvr,
it could make uboot becomes unstable, for it would continue run after
search complete the block_drvr table.

Signed-off-by: Lei Wen <leiwen@marvell.com>
---

diff --git a/disk/part.c b/disk/part.c
index 13723f23b3..f07a17feb8 100644
--- a/disk/part.c
+++ b/disk/part.c
@@ -84,7 +84,7 @@ block_dev_desc_t *get_dev(char* ifname, int dev)
 #ifdef CONFIG_NEEDS_MANUAL_RELOC
 	name += gd->reloc_off;
 #endif
-	while (name) {
+	while (drvr->name) {
 		name = drvr->name;
 		reloc_get_dev = drvr->get_dev;
 #ifdef CONFIG_NEEDS_MANUAL_RELOC