1 files changed, 6 insertions, 0 deletions
diff --git a/src/device.c b/src/device.c
index 3a8abbc..82b3d0f 100644
--- a/src/device.c
+++ b/src/device.c
@@ -78,9 +78,15 @@ const char * device_to_long_string(enum device device) {
 int hwrev_is_valid(const int16_t * hwrevs, int16_t hwrev) {
 
 	int i;
+
+	/* hwrevs not specified, valid for any hwrev */
+	if ( ! hwrevs )
+		return 1;
+
 	for ( i = 0; hwrevs[i] != -1; ++i )
 		if ( hwrev == hwrevs[i] )
 			return 1;
+
 	return 0;
 
 }