From: Marek Vasut <marek.vasut@gmail.com>
Date: Thu, 22 Dec 2011 09:55:08 +0000 (+0000)
Subject: MX28: Fix MXSBOOT segfault if no params specified
X-Git-Url: http://git.dujemihanovic.xyz/?a=commitdiff_plain;h=e364daf92593e88ea8e26e31e987b1527338869c;p=u-boot.git

MX28: Fix MXSBOOT segfault if no params specified

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Cc: Wolfgang Denk <wd@denx.de>
Cc: Stefano Babic <sbabic@denx.de>
---

diff --git a/tools/mxsboot.c b/tools/mxsboot.c
index 176753d2ce..8246831d8e 100644
--- a/tools/mxsboot.c
+++ b/tools/mxsboot.c
@@ -606,6 +606,9 @@ int parse_ops(int argc, char **argv)
 	};
 	int type;
 
+	if (argc < 4)
+		return -1;
+
 	for (i = 1; i < argc; i++) {
 		if (!strncmp(argv[i], "-w", 2))
 			type = PARAM_WRITE;