diff options
Diffstat (limited to 'src/libknot/packet/response.c')
| -rw-r--r-- | src/libknot/packet/response.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/libknot/packet/response.c b/src/libknot/packet/response.c index 476c6b3..69678c7 100644 --- a/src/libknot/packet/response.c +++ b/src/libknot/packet/response.c @@ -368,6 +368,9 @@ static int knot_response_compress_dname(const knot_dname_t *dname, knot_compr_t *compr, uint8_t *dname_wire, size_t max, int compr_cs) { int size = 0; + if (!dname || !compr || !dname_wire) { + return KNOT_EINVAL; + } // try to find the name or one of its ancestors in the compr. table #ifdef COMPRESSION_PEDANTIC |