hidraw: fixed crash if uevent info isn't available (#580)

Signed-off-by: Sam Lantinga <slouken@libsdl.org>
libusb · May 31, 2023 · a88805e · a88805e
1 parent b8ab253
commit a88805e
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/linux/hid.c b/linux/hid.c
@@ -512,6 +512,11 @@ static int parse_uevent_info(const char *uevent, unsigned *bus_type,
 	char **serial_number_utf8, char **product_name_utf8)
 {
 	char tmp[1024];
+
+	if (!uevent) {
+		return 0;
+	}
+
 	size_t uevent_len = strlen(uevent);
 	if (uevent_len > sizeof(tmp) - 1)
 		uevent_len = sizeof(tmp) - 1;