nfctype4: Fix segmentation fault on invalid access key

If length is < 0, further access to the resp buffer will cause neard to
seg fault.

diff --git a/plugins/nfctype4.c b/plugins/nfctype4.c
index 4798f5e..1f3295b 100644 (file)
--- a/plugins/nfctype4.c
+++ b/plugins/nfctype4.c
@@ -531,7 +531,7 @@ static int t4_select_file_by_name_v2(uint8_t *resp, int length, void *data)
        DBG("%d", length);
 
        if (length < 0)
-               t4_cookie_release(length, cookie);
+               return t4_cookie_release(length, cookie);
 
        /* Check for APDU error - Not found */
        if (APDU_STATUS(resp + STATUS_WORD_1) == APDU_NOT_FOUND) {