use ykds_free() to free YK_STATUS instead of straight free

diff --git a/ykchalresp.c b/ykchalresp.c
index 62fb4b01993cdc99db86d9765b0fb7e4b91839c3..0b0d3166010a79e578829056f330d1b14b115473 100644 (file)
--- a/ykchalresp.c
+++ b/ykchalresp.c
@@ -157,7 +157,7 @@ static int check_firmware(YK_KEY *yk, bool verbose)
        YK_STATUS *st = ykds_alloc();
 
        if (!yk_get_status(yk, st)) {
-               free(st);
+               ykds_free(st);
                return 0;
        }
 
@@ -173,7 +173,7 @@ static int check_firmware(YK_KEY *yk, bool verbose)
            (ykds_version_major(st) == 2
             && ykds_version_minor(st) < 2)) {
                fprintf(stderr, "Challenge-response not supported before YubiKey 2.2.\n");
-               free(st);
+               ykds_free(st);
                return 0;
        }