udp_open_promisc() calls udp_open_common() with peer==NULL.

[people/mcb30/gpxe.git] / src / net / udp.c

diff --git a/src/net/udp.c b/src/net/udp.c
index b4cd8e6..fcd5732 100644 (file)
--- a/src/net/udp.c
+++ b/src/net/udp.c
@@ -89,7 +89,7 @@ static int udp_bind ( struct udp_connection *udp, unsigned int port ) {
  * Open a UDP connection
  *
  * @v xfer             Data transfer interface
- * @v peer             Peer socket address
+ * @v peer             Peer socket address, or NULL
  * @v local            Local socket address, or NULL
  * @v promisc          Socket is promiscuous
  * @ret rc             Return status code
@@ -109,7 +109,8 @@ static int udp_open_common ( struct xfer_interface *xfer,
                return -ENOMEM;
        DBGC ( udp, "UDP %p allocated\n", udp );
        xfer_init ( &udp->xfer, &udp_xfer_operations, &udp->refcnt );
-       memcpy ( &udp->peer, st_peer, sizeof ( udp->peer ) );
+       if ( st_peer )
+               memcpy ( &udp->peer, st_peer, sizeof ( udp->peer ) );
 
        /* Bind to local port */
        if ( ! promisc ) {