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 327c738af795d250d3a824349cad4cdac84454b9..83ef32497a865bf63586d024c54de07bea62e515 100644 (file)
--- 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;
        }