X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/rigol/blobdiff_plain/0926876978e80ae1e9c29d9f33a8f8ec0babaf5e..2999345d8f501d54dc19bc3f60f01c573910d565:/scope.c

diff --git a/scope.c b/scope.c
index 3152243..806ba34 100644
--- a/scope.c
+++ b/scope.c
@@ -36,8 +36,10 @@ struct scope* initscope(void)
 
 	usbdev = usbtmc_initscope();
 
-	if (!usbdev)
-		return NULL;
+	if (!usbdev) {
+		printf("No scope found.\n");
+		exit(EXIT_FAILURE);
+	}
 
 	sc = calloc(1, sizeof(struct scope));
 	if (sc == NULL) {