Index: crypto/bio/bss_dgram.c
===================================================================
RCS file: /v/openssl/cvs/openssl/crypto/bio/bss_dgram.c,v
retrieving revision 1.7.2.21
diff -u -r1.7.2.21 bss_dgram.c
--- crypto/bio/bss_dgram.c	26 Nov 2009 20:56:05 -0000	1.7.2.21
+++ crypto/bio/bss_dgram.c	27 Nov 2009 14:29:03 -0000
@@ -329,16 +329,22 @@
 static int dgram_write(BIO *b, const char *in, int inl)
 	{
 	int ret;
+	socklen_t peerlen;
 	bio_dgram_data *data = (bio_dgram_data *)b->ptr;
 	clear_socket_error();
 
+	if (data->peer.sa.sa_family == AF_INET6)
+		peerlen = sizeof(data->peer.sa_in6);
+	else
+		peerlen = sizeof(data->peer.sa_in);
+
 	if ( data->connected )
 		ret=writesocket(b->num,in,inl);
 	else
 #if defined(NETWARE_CLIB) && defined(NETWARE_BSDSOCK)
-		ret=sendto(b->num, (char *)in, inl, 0, &data->peer.sa, sizeof(data->peer));
+		ret=sendto(b->num, (char *)in, inl, 0, &data->peer.sa, peerlen);
 #else
-		ret=sendto(b->num, in, inl, 0, &data->peer.sa, sizeof(data->peer));
+		ret=sendto(b->num, in, inl, 0, &data->peer.sa, peerlen);
 #endif
 
 	BIO_clear_retry_flags(b);