diff -ur alinux-2.6.31-gentoo-r6/net/core/datagram.c linux-2.6.31-gentoo-r6/net/core/datagram.c
--- alinux-2.6.31-gentoo-r6/net/core/datagram.c	2009-09-10 00:13:59.000000000 +0200
+++ linux-2.6.31-gentoo-r6/net/core/datagram.c	2009-11-18 10:21:32.481524424 +0100
@@ -223,6 +223,15 @@
 	consume_skb(skb);
 	sk_mem_reclaim_partial(sk);
 }
+EXPORT_SYMBOL(skb_free_datagram);
+
+void skb_free_datagram_locked(struct sock *sk, struct sk_buff *skb)
+{
+	lock_sock(sk);
+	skb_free_datagram(sk, skb);
+	release_sock(sk);
+}
+EXPORT_SYMBOL(skb_free_datagram_locked);
 
 /**
  *	skb_kill_datagram - Free a datagram skbuff forcibly
@@ -749,5 +758,4 @@
 EXPORT_SYMBOL(datagram_poll);
 EXPORT_SYMBOL(skb_copy_and_csum_datagram_iovec);
 EXPORT_SYMBOL(skb_copy_datagram_iovec);
-EXPORT_SYMBOL(skb_free_datagram);
 EXPORT_SYMBOL(skb_recv_datagram);
Tylko w linux-2.6.31-gentoo-r6/net/core: datagram.c.orig
diff -ur alinux-2.6.31-gentoo-r6/net/ipv4/udp.c linux-2.6.31-gentoo-r6/net/ipv4/udp.c
--- alinux-2.6.31-gentoo-r6/net/ipv4/udp.c	2009-09-10 00:13:59.000000000 +0200
+++ linux-2.6.31-gentoo-r6/net/ipv4/udp.c	2009-11-18 10:21:32.485524802 +0100
@@ -956,9 +956,7 @@
 		err = ulen;
 
 out_free:
-	lock_sock(sk);
-	skb_free_datagram(sk, skb);
-	release_sock(sk);
+	skb_free_datagram_locked(sk, skb);
 out:
 	return err;
 
Tylko w linux-2.6.31-gentoo-r6/net/ipv4: udp.c.orig
diff -ur alinux-2.6.31-gentoo-r6/net/ipv6/udp.c linux-2.6.31-gentoo-r6/net/ipv6/udp.c
--- alinux-2.6.31-gentoo-r6/net/ipv6/udp.c	2009-09-10 00:13:59.000000000 +0200
+++ linux-2.6.31-gentoo-r6/net/ipv6/udp.c	2009-11-18 10:21:32.485524802 +0100
@@ -288,9 +288,7 @@
 		err = ulen;
 
 out_free:
-	lock_sock(sk);
-	skb_free_datagram(sk, skb);
-	release_sock(sk);
+	skb_free_datagram_locked(sk, skb);
 out:
 	return err;
 
diff -ur alinux-2.6.31-gentoo-r6/net/sunrpc/svcsock.c linux-2.6.31-gentoo-r6/net/sunrpc/svcsock.c
--- alinux-2.6.31-gentoo-r6/net/sunrpc/svcsock.c	2009-09-10 00:13:59.000000000 +0200
+++ linux-2.6.31-gentoo-r6/net/sunrpc/svcsock.c	2009-11-18 10:21:32.485524802 +0100
@@ -110,7 +110,7 @@
 		rqstp->rq_xprt_ctxt = NULL;
 
 		dprintk("svc: service %p, releasing skb %p\n", rqstp, skb);
-		skb_free_datagram(svsk->sk_sk, skb);
+		skb_free_datagram_locked(svsk->sk_sk, skb);
 	}
 }
 
@@ -537,7 +537,7 @@
 			printk("rpcsvc: received unknown control message:"
 			       "%d/%d\n",
 			       cmh->cmsg_level, cmh->cmsg_type);
-		skb_free_datagram(svsk->sk_sk, skb);
+		skb_free_datagram_locked(svsk->sk_sk, skb);
 		return 0;
 	}
 	svc_udp_get_dest_address(rqstp, cmh);
@@ -548,18 +548,18 @@
 		if (csum_partial_copy_to_xdr(&rqstp->rq_arg, skb)) {
 			local_bh_enable();
 			/* checksum error */
-			skb_free_datagram(svsk->sk_sk, skb);
+			skb_free_datagram_locked(svsk->sk_sk, skb);
 			return 0;
 		}
 		local_bh_enable();
-		skb_free_datagram(svsk->sk_sk, skb);
+		skb_free_datagram_locked(svsk->sk_sk, skb);
 	} else {
 		/* we can use it in-place */
 		rqstp->rq_arg.head[0].iov_base = skb->data +
 			sizeof(struct udphdr);
 		rqstp->rq_arg.head[0].iov_len = len;
 		if (skb_checksum_complete(skb)) {
-			skb_free_datagram(svsk->sk_sk, skb);
+			skb_free_datagram_locked(svsk->sk_sk, skb);
 			return 0;
 		}
 		rqstp->rq_xprt_ctxt = skb;