knot_rdataset_copy(): mute Clang analyzer

diff --git a/src/libknot/rdataset.c b/src/libknot/rdataset.c
index a71aeec61144f00208cb86d6f52ded128fd9741e..65a43865e03c071451ac6e8f5e45cfff52955d4e 100644 (file)
--- a/src/libknot/rdataset.c
+++ b/src/libknot/rdataset.c
@@ -137,7 +137,7 @@ void knot_rdataset_clear(knot_rdataset_t *rrs, knot_mm_t *mm)
 _public_
 int knot_rdataset_copy(knot_rdataset_t *dst, const knot_rdataset_t *src, knot_mm_t *mm)
 {
-       if (dst == NULL || src == NULL) {
+       if (dst == NULL || src == NULL || src->rdata == NULL) {
                return KNOT_EINVAL;
        }