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 176753d2ce07078dc1fe053b70539ab9c45822bd..8246831d8ef76571c539d90d9ce5014134b33789 100644 (file)
--- 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;