X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=net%2Fsunrpc%2Fsvcsock.c;h=c6a51911e71e082a232f73444b3c36deb42a0d08;hb=18955cfcb2a5d75a08e0cb297f13ccfb6904de48;hp=51885b5f744e938eaa71ffcb8617759469a68f7b;hpb=165415f700b0c77fa1f8db6198f48582639adf78;p=linux-2.6-omap-h63xx.git

diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index 51885b5f744..c6a51911e71 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -512,15 +512,14 @@ svc_sock_setbufsize(struct socket *sock, unsigned int snd, unsigned int rcv)
 static void
 svc_udp_data_ready(struct sock *sk, int count)
 {
-	struct svc_sock	*svsk = (struct svc_sock *)(sk->sk_user_data);
+	struct svc_sock	*svsk = (struct svc_sock *)sk->sk_user_data;
 
-	if (!svsk)
-		goto out;
-	dprintk("svc: socket %p(inet %p), count=%d, busy=%d\n",
-		svsk, sk, count, test_bit(SK_BUSY, &svsk->sk_flags));
-	set_bit(SK_DATA, &svsk->sk_flags);
-	svc_sock_enqueue(svsk);
- out:
+	if (svsk) {
+		dprintk("svc: socket %p(inet %p), count=%d, busy=%d\n",
+			svsk, sk, count, test_bit(SK_BUSY, &svsk->sk_flags));
+		set_bit(SK_DATA, &svsk->sk_flags);
+		svc_sock_enqueue(svsk);
+	}
 	if (sk->sk_sleep && waitqueue_active(sk->sk_sleep))
 		wake_up_interruptible(sk->sk_sleep);
 }
@@ -540,7 +539,7 @@ svc_write_space(struct sock *sk)
 	}
 
 	if (sk->sk_sleep && waitqueue_active(sk->sk_sleep)) {
-		printk(KERN_WARNING "RPC svc_write_space: some sleeping on %p\n",
+		dprintk("RPC svc_write_space: someone sleeping on %p\n",
 		       svsk);
 		wake_up_interruptible(sk->sk_sleep);
 	}
@@ -549,9 +548,6 @@ svc_write_space(struct sock *sk)
 /*
  * Receive a datagram from a UDP socket.
  */
-extern int
-csum_partial_copy_to_xdr(struct xdr_buf *xdr, struct sk_buff *skb);
-
 static int
 svc_udp_recvfrom(struct svc_rqst *rqstp)
 {
@@ -588,7 +584,7 @@ svc_udp_recvfrom(struct svc_rqst *rqstp)
 		struct timeval tv;
 
 		tv.tv_sec = xtime.tv_sec;
-		tv.tv_usec = xtime.tv_nsec * 1000;
+		tv.tv_usec = xtime.tv_nsec / NSEC_PER_USEC;
 		skb_set_timestamp(skb, &tv);
 		/* Don't enable netstamp, sunrpc doesn't 
 		   need that much accuracy */
@@ -627,12 +623,9 @@ svc_udp_recvfrom(struct svc_rqst *rqstp)
 		/* 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->ip_summed != CHECKSUM_UNNECESSARY) {
-			if ((unsigned short)csum_fold(skb_checksum(skb, 0, skb->len, skb->csum))) {
-				skb_free_datagram(svsk->sk_sk, skb);
-				return 0;
-			}
-			skb->ip_summed = CHECKSUM_UNNECESSARY;
+		if (skb_checksum_complete(skb)) {
+			skb_free_datagram(svsk->sk_sk, skb);
+			return 0;
 		}
 		rqstp->rq_skbuff = skb;
 	}
@@ -692,31 +685,29 @@ svc_udp_init(struct svc_sock *svsk)
 static void
 svc_tcp_listen_data_ready(struct sock *sk, int count_unused)
 {
-	struct svc_sock	*svsk;
+	struct svc_sock	*svsk = (struct svc_sock *)sk->sk_user_data;
 
 	dprintk("svc: socket %p TCP (listen) state change %d\n",
-			sk, sk->sk_state);
+		sk, sk->sk_state);
 
-	if  (sk->sk_state != TCP_LISTEN) {
-		/*
-		 * This callback may called twice when a new connection
-		 * is established as a child socket inherits everything
-		 * from a parent LISTEN socket.
-		 * 1) data_ready method of the parent socket will be called
-		 *    when one of child sockets become ESTABLISHED.
-		 * 2) data_ready method of the child socket may be called
-		 *    when it receives data before the socket is accepted.
-		 * In case of 2, we should ignore it silently.
-		 */
-		goto out;
-	}
-	if (!(svsk = (struct svc_sock *) sk->sk_user_data)) {
-		printk("svc: socket %p: no user data\n", sk);
-		goto out;
+	/*
+	 * This callback may called twice when a new connection
+	 * is established as a child socket inherits everything
+	 * from a parent LISTEN socket.
+	 * 1) data_ready method of the parent socket will be called
+	 *    when one of child sockets become ESTABLISHED.
+	 * 2) data_ready method of the child socket may be called
+	 *    when it receives data before the socket is accepted.
+	 * In case of 2, we should ignore it silently.
+	 */
+	if (sk->sk_state == TCP_LISTEN) {
+		if (svsk) {
+			set_bit(SK_CONN, &svsk->sk_flags);
+			svc_sock_enqueue(svsk);
+		} else
+			printk("svc: socket %p: no user data\n", sk);
 	}
-	set_bit(SK_CONN, &svsk->sk_flags);
-	svc_sock_enqueue(svsk);
- out:
+
 	if (sk->sk_sleep && waitqueue_active(sk->sk_sleep))
 		wake_up_interruptible_all(sk->sk_sleep);
 }
@@ -727,18 +718,17 @@ svc_tcp_listen_data_ready(struct sock *sk, int count_unused)
 static void
 svc_tcp_state_change(struct sock *sk)
 {
-	struct svc_sock	*svsk;
+	struct svc_sock	*svsk = (struct svc_sock *)sk->sk_user_data;
 
 	dprintk("svc: socket %p TCP (connected) state change %d (svsk %p)\n",
-			sk, sk->sk_state, sk->sk_user_data);
+		sk, sk->sk_state, sk->sk_user_data);
 
-	if (!(svsk = (struct svc_sock *) sk->sk_user_data)) {
+	if (!svsk)
 		printk("svc: socket %p: no user data\n", sk);
-		goto out;
+	else {
+		set_bit(SK_CLOSE, &svsk->sk_flags);
+		svc_sock_enqueue(svsk);
 	}
-	set_bit(SK_CLOSE, &svsk->sk_flags);
-	svc_sock_enqueue(svsk);
- out:
 	if (sk->sk_sleep && waitqueue_active(sk->sk_sleep))
 		wake_up_interruptible_all(sk->sk_sleep);
 }
@@ -746,15 +736,14 @@ svc_tcp_state_change(struct sock *sk)
 static void
 svc_tcp_data_ready(struct sock *sk, int count)
 {
-	struct svc_sock *	svsk;
+	struct svc_sock *svsk = (struct svc_sock *)sk->sk_user_data;
 
 	dprintk("svc: socket %p TCP data ready (svsk %p)\n",
-			sk, sk->sk_user_data);
-	if (!(svsk = (struct svc_sock *)(sk->sk_user_data)))
-		goto out;
-	set_bit(SK_DATA, &svsk->sk_flags);
-	svc_sock_enqueue(svsk);
- out:
+		sk, sk->sk_user_data);
+	if (svsk) {
+		set_bit(SK_DATA, &svsk->sk_flags);
+		svc_sock_enqueue(svsk);
+	}
 	if (sk->sk_sleep && waitqueue_active(sk->sk_sleep))
 		wake_up_interruptible(sk->sk_sleep);
 }
@@ -1189,6 +1178,7 @@ svc_recv(struct svc_serv *serv, struct svc_rqst *rqstp, long timeout)
 	arg->tail[0].iov_len = 0;
 
 	try_to_freeze();
+	cond_resched();
 	if (signalled())
 		return -EINTR;