attr-sql: Fix double free when adding subnets for unknown attribute types

diff --git a/src/libhydra/plugins/attr_sql/pool_attributes.c b/src/libhydra/plugins/attr_sql/pool_attributes.c
index 5dcfe85edaeb55fe63d116ac5035b782b0d1dcef..0b8f9342b9bad67d5e0af80bf9fb2178aeb606df 100644 (file)
--- a/src/libhydra/plugins/attr_sql/pool_attributes.c
+++ b/src/libhydra/plugins/attr_sql/pool_attributes.c
@@ -153,6 +153,7 @@ static bool parse_attributes(char *name, char *value, value_type_t *value_type,
                                memcpy(pos_addr,     addr_chunk.ptr, 4);
                                memcpy(pos_addr + 4, mask_chunk.ptr, 4);
                                addr->destroy(addr);
+                               addr = NULL;
                                mask->destroy(mask);
                                chunk_free(blob);
                                *blob = blob_next;