From: Jeroen Hofstee <jeroen@myspectrum.nl>
Date: Mon, 9 Jun 2014 13:29:00 +0000 (+0200)
Subject: ext4: correctly zero filename
X-Git-Tag: v2014.07-rc4~80
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=46a5707d9c2eefa23e88f7c63999adb9190c5b46;p=u-boot

ext4: correctly zero filename

Since ALLOC_CACHE_ALIGN_BUFFER declares a char* for filename
sizeof(filename) is not the size of the buffer. Use the already
known length instead.

cc: Uma Shankar <uma.shankar@samsung.com>
cc: Manjunatha C Achar <a.manjunatha@samsung.com>
cc: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Jeroen Hofstee <jeroen@myspectrum.nl>
Acked-by: Marek Vasut <marex@denx.de>
---

diff --git a/fs/ext4/ext4_write.c b/fs/ext4/ext4_write.c
index c42add9a7e..648a59672c 100644
--- a/fs/ext4/ext4_write.c
+++ b/fs/ext4/ext4_write.c
@@ -840,7 +840,7 @@ int ext4fs_write(const char *fname, unsigned char *buffer,
 	unsigned int ibmap_idx;
 	struct ext_filesystem *fs = get_fs();
 	ALLOC_CACHE_ALIGN_BUFFER(char, filename, 256);
-	memset(filename, 0x00, sizeof(filename));
+	memset(filename, 0x00, 256);
 
 	g_parent_inode = zalloc(sizeof(struct ext2_inode));
 	if (!g_parent_inode)