From: John Crispin <john@openwrt.org>
Date: Tue, 6 Aug 2013 14:32:50 +0000 (+0000)
Subject: firmware-utils: fix segfault introduced by v2 changes
X-Git-Url: http://git.openwrt.org/%22https:/collectd.org//%22/%22https:/collectd.org/%22?a=commitdiff_plain;h=266b34a3156a4bd695a42bb9a436787962804f93;p=project%2Ffirmware-utils.git

firmware-utils: fix segfault introduced by v2 changes

Signed-off-by: Bastian Bittorf <bittorf@bluebottle.com>

SVN-Revision: 37724
---

diff --git a/src/mktplinkfw.c b/src/mktplinkfw.c
index 05e40c5..f6fdff4 100644
--- a/src/mktplinkfw.c
+++ b/src/mktplinkfw.c
@@ -811,7 +811,7 @@ static int build_fw(void)
 	int ret = EXIT_FAILURE;
 	int writelen = 0;
 	int hdr_len;
-	if (board->hdr_version == HEADER_VERSION_V2)
+	if (board && board->hdr_version == HEADER_VERSION_V2)
 		hdr_len = sizeof(struct fw_header_v2);
 	else
 		hdr_len = sizeof(struct fw_header);
@@ -854,7 +854,7 @@ static int build_fw(void)
 	if (!strip_padding)
 		writelen = buflen;
 
-	if (board->hdr_version == HEADER_VERSION_V2)
+	if (board && board->hdr_version == HEADER_VERSION_V2)
 		fill_header_v2(buf, writelen);
 	else
 		fill_header(buf, writelen);