tools: Check arguments in fit_check_sign/fit_info
These tools crash if no arguments are provided. Add checks to avoid this.
Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Heiko Schocher <hs@denx.de>
diff --git a/tools/fit_info.c b/tools/fit_info.c
index afbed7b..481ac6d 100644
--- a/tools/fit_info.c
+++ b/tools/fit_info.c
@@ -68,6 +68,18 @@
break;
}
+ if (!fdtfile) {
+ fprintf(stderr, "%s: Missing fdt file\n", *argv);
+ usage(*argv);
+ }
+ if (!nodename) {
+ fprintf(stderr, "%s: Missing node name\n", *argv);
+ usage(*argv);
+ }
+ if (!propertyname) {
+ fprintf(stderr, "%s: Missing property name\n", *argv);
+ usage(*argv);
+ }
ffd = mmap_fdt(cmdname, fdtfile, 0, &fit_blob, &fsbuf, false);
if (ffd < 0) {