X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=tools%2Ffit_info.c;h=652abcd2bd15434b78298035e53a6d13c9b874e4;hb=62e92077a8936e60087d55683538ee386cc673aa;hp=50f3c8edf12ef2cde4c89572eece2bcdbfa54454;hpb=6bf4ca076f8c7a3c1c5abd1cbb059516f7af15df;p=u-boot

diff --git a/tools/fit_info.c b/tools/fit_info.c
index 50f3c8edf1..652abcd2bd 100644
--- a/tools/fit_info.c
+++ b/tools/fit_info.c
@@ -48,10 +48,11 @@ int main(int argc, char **argv)
 	char *fdtfile = NULL;
 	char *nodename = NULL;
 	char *propertyname = NULL;
-	char cmdname[50];
+	char cmdname[256];
 	int c;
 
-	strcpy(cmdname, *argv);
+	strncpy(cmdname, *argv, sizeof(cmdname) - 1);
+	cmdname[sizeof(cmdname) - 1] = '\0';
 	while ((c = getopt(argc, argv, "f:n:p:")) != -1)
 		switch (c) {
 		case 'f':
@@ -68,7 +69,19 @@ int main(int argc, char **argv)
 			break;
 		}
 
-	ffd = mmap_fdt(cmdname, fdtfile, &fit_blob, &fsbuf, 0);
+	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) {
 		printf("Could not open %s\n", fdtfile);