[PATCH] rxrpc update

From: David Howells <dhowells@redhat.com>

Here's a patch to fix some bugs in my RxRPC code, including the fix for the
transport initialisation failure recovery spotted by Pete Zaitcev.

It also inserts some extra spaces in a few places.

net/rxrpc/call.c

@@ -699,7 +699,7 @@ static int rxrpc_call_generate_ACK(struct rxrpc_call *call,
 
 		timo = rxrpc_call_dfr_ack_timeout + jiffies;
 
-		_debug("START ACKR TIMER for cj=%lu", timo-call->cjif);
+		_debug("START ACKR TIMER for cj=%lu", timo - call->cjif);
 
 		spin_lock(&call->lock);
 		mod_timer(&call->ackr_dfr_timo, timo);
@@ -722,7 +722,8 @@ static int rxrpc_call_generate_ACK(struct rxrpc_call *call,
 
 		/* fill out the appropriate form */
 		ack.bufferSpace	= htons(RXRPC_CALL_ACK_WINDOW_SIZE);
-		ack.maxSkew	= htons(min(call->ackr_high_seq - seq,65535U));
+		ack.maxSkew	= htons(min(call->ackr_high_seq - seq,
+					    65535U));
 		ack.firstPacket	= htonl(call->ackr_win_bot);
 		ack.previousPacket = call->ackr_prev_seq;
 		ack.serial	= hdr->serial;
@@ -825,7 +826,7 @@ void rxrpc_call_do_stuff(struct rxrpc_call *call)
 
 	_leave("");
 
-} /* end rxrpc_call_do_timeout() */
+} /* end rxrpc_call_do_stuff() */
 
 /*****************************************************************************/
 /*
@@ -1061,7 +1062,7 @@ static void rxrpc_call_receive_data_packet(struct rxrpc_call *call,
 		_debug("Call add packet %d to unreadyq", msg->seq);
 
 		/* insert in seq order */
-		list_for_each(_p,&call->app_unreadyq) {
+		list_for_each(_p, &call->app_unreadyq) {
 			pmsg = list_entry(_p, struct rxrpc_message, link);
 			if (pmsg->seq > msg->seq)
 				break;
@@ -2095,6 +2096,7 @@ int rxrpc_call_flush(struct rxrpc_call *call)
 
 		if (msg->hdr.flags & RXRPC_LAST_PACKET) {
 			msg->hdr.flags &= ~RXRPC_MORE_PACKETS;
+			if (call->app_call_state != RXRPC_CSTATE_CLNT_SND_ARGS)
 				msg->hdr.flags |= RXRPC_REQUEST_ACK;
 		}
 		else {

net/rxrpc/krxiod.c

@@ -44,12 +44,6 @@ static int rxrpc_krxiod(void *arg)
 
 	daemonize("krxiod");
 
-	/* only certain signals are of interest */
-	spin_lock_irq(&current->sighand->siglock);
-	siginitsetinv(&current->blocked, 0);
-	recalc_sigpending();
-	spin_unlock_irq(&current->sighand->siglock);
-
 	/* loop around waiting for work to do */
 	do {
 		/* wait for work or to be told to exit */
@@ -125,7 +119,7 @@ static int rxrpc_krxiod(void *arg)
 				 * away */
 				if (atomic_read(&call->usage) > 0) {
 					_debug("@@@ KRXIOD"
-					       " Begin Attend Call %p",call);
+					       " Begin Attend Call %p", call);
 					rxrpc_get_call(call);
 				}
 				else {

net/rxrpc/krxsecd.c

@@ -57,12 +57,6 @@ static int rxrpc_krxsecd(void *arg)
 
 	daemonize("krxsecd");
 
-	/* only certain signals are of interest */
-	spin_lock_irq(&current->sighand->siglock);
-	siginitsetinv(&current->blocked, 0);
-	recalc_sigpending();
-	spin_unlock_irq(&current->sighand->siglock);
-
 	/* loop around waiting for work to do */
 	do {
 		/* wait for work or to be told to exit */

net/rxrpc/krxtimod.c

@@ -74,12 +74,6 @@ static int krxtimod(void *arg)
 
 	complete(&krxtimod_alive);
 
-	/* only certain signals are of interest */
-	spin_lock_irq(&current->sighand->siglock);
-	siginitsetinv(&current->blocked, 0);
-	recalc_sigpending();
-	spin_unlock_irq(&current->sighand->siglock);
-
 	/* loop around looking for things to attend to */
  loop:
 	set_current_state(TASK_INTERRUPTIBLE);

net/rxrpc/transport.c

@@ -130,7 +130,19 @@ int rxrpc_create_transport(unsigned short port,
 	return 0;
 
  error:
-	rxrpc_put_transport(trans);
+	/* finish cleaning up the transport (not really needed here, but...) */
+	if (trans->socket)
+		trans->socket->ops->shutdown(trans->socket, 2);
+
+	/* close the socket */
+	if (trans->socket) {
+		trans->socket->sk->sk_user_data = NULL;
+		sock_release(trans->socket);
+		trans->socket = NULL;
+	}
+
+	kfree(trans);
+
 
 	_leave(" = %d", ret);
 	return ret;