From: Pantelis Antoniou <panto@antoniou-consulting.com>
Date: Fri, 30 Nov 2012 08:01:08 +0000 (+0000)
Subject: dfu: Fix crash when wrong number of arguments given
X-Git-Tag: v2013.04-rc2~23^2~17
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=df93cd9c6f620039ddcbbf68e8cfa3c3f0dba76f;p=oweals%2Fu-boot.git

dfu: Fix crash when wrong number of arguments given

Fix obvious crash when not enough arguments are given to the dfu
command.

Signed-off-by: Pantelis Antoniou <panto@antoniou-consulting.com>
---

diff --git a/common/cmd_dfu.c b/common/cmd_dfu.c
index 327c738af7..83ef32497a 100644
--- a/common/cmd_dfu.c
+++ b/common/cmd_dfu.c
@@ -50,7 +50,7 @@ static int do_dfu(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 	if (ret)
 		return CMD_RET_FAILURE;
 
-	if (strcmp(argv[3], "list") == 0) {
+	if (argc > 3 && strcmp(argv[3], "list") == 0) {
 		dfu_show_entities();
 		goto done;
 	}