lldp: fix uninitialized cleanup var

Make sure to set _cleanup_ variables to NULL. Otherwise, we free
uninitialized objects.

diff --git a/src/libsystemd-network/lldp-internal.c b/src/libsystemd-network/lldp-internal.c
index f86c11e..d03445b 100644 (file)
--- a/src/libsystemd-network/lldp-internal.c
+++ b/src/libsystemd-network/lldp-internal.c
@@ -443,7 +443,7 @@ void lldp_neighbour_port_free(lldp_neighbour_port *p) {
 int lldp_neighbour_port_new(lldp_chassis *c,
                             tlv_packet *tlv,
                             lldp_neighbour_port **ret) {
-        _cleanup_lldp_neighbour_port_free_ lldp_neighbour_port *p;
+        _cleanup_lldp_neighbour_port_free_ lldp_neighbour_port *p = NULL;
         uint16_t length, ttl;
         uint8_t *data;
         uint8_t type;