udp: Initialize pointer to NULL

Otherwise we're calling free() with some random
memory address in error cases.

Fixes bug #587982.

diff --git a/gst/udp/gstudpnetutils.c b/gst/udp/gstudpnetutils.c
index c426020..4b25b42 100644 (file)
--- a/gst/udp/gstudpnetutils.c
+++ b/gst/udp/gstudpnetutils.c
@@ -79,7 +79,7 @@ gst_udp_get_sockaddr_length (struct sockaddr_storage *addr)
 int
 gst_udp_get_addr (const char *hostname, int port, struct sockaddr_storage *addr)
 {
-  struct addrinfo hints, *res, *nres;
+  struct addrinfo hints, *res = NULL, *nres;
   char service[NI_MAXSERV];
   int ret;