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Commit d025d785 authored by Linus Torvalds's avatar Linus Torvalds
Browse files
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6:
  firewire: Only set client->iso_context if allocation was successful.
  ieee1394: fix to ether1394_tx in ether1394.c
  firewire: fix hang after card ejection
parents b3f4256f 24315c5e
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+11 −8
Original line number Diff line number Diff line
@@ -640,6 +640,7 @@ iso_callback(struct fw_iso_context *context, u32 cycle,
static int ioctl_create_iso_context(struct client *client, void *buffer)
{
	struct fw_cdev_create_iso_context *request = buffer;
	struct fw_iso_context *context;

	if (request->channel > 63)
		return -EINVAL;
@@ -661,15 +662,17 @@ static int ioctl_create_iso_context(struct client *client, void *buffer)
		return -EINVAL;
	}

	client->iso_closure = request->closure;
	client->iso_context = fw_iso_context_create(client->device->card,
	context =  fw_iso_context_create(client->device->card,
					 request->type,
					 request->channel,
					 request->speed,
					 request->header_size,
					 iso_callback, client);
	if (IS_ERR(client->iso_context))
		return PTR_ERR(client->iso_context);
	if (IS_ERR(context))
		return PTR_ERR(context);

	client->iso_closure = request->closure;
	client->iso_context = context;

	/* We only support one context at this time. */
	request->handle = 0;
+1 −1
Original line number Diff line number Diff line
@@ -1001,7 +1001,7 @@ static irqreturn_t irq_handler(int irq, void *data)

	event = reg_read(ohci, OHCI1394_IntEventClear);

	if (!event)
	if (!event || !~event)
		return IRQ_NONE;

	reg_write(ohci, OHCI1394_IntEventClear, event);
+15 −6
Original line number Diff line number Diff line
@@ -1565,7 +1565,7 @@ static void ether1394_complete_cb(void *__ptask)
/* Transmit a packet (called by kernel) */
static int ether1394_tx(struct sk_buff *skb, struct net_device *dev)
{
	struct eth1394hdr *eth;
	struct eth1394hdr hdr_buf;
	struct eth1394_priv *priv = netdev_priv(dev);
	__be16 proto;
	unsigned long flags;
@@ -1595,16 +1595,17 @@ static int ether1394_tx(struct sk_buff *skb, struct net_device *dev)
	if (!skb)
		goto fail;

	/* Get rid of the fake eth1394 header, but save a pointer */
	eth = (struct eth1394hdr *)skb->data;
	/* Get rid of the fake eth1394 header, but first make a copy.
	 * We might need to rebuild the header on tx failure. */
	memcpy(&hdr_buf, skb->data, sizeof(hdr_buf));
	skb_pull(skb, ETH1394_HLEN);

	proto = eth->h_proto;
	proto = hdr_buf.h_proto;
	dg_size = skb->len;

	/* Set the transmission type for the packet.  ARP packets and IP
	 * broadcast packets are sent via GASP. */
	if (memcmp(eth->h_dest, dev->broadcast, ETH1394_ALEN) == 0 ||
	if (memcmp(hdr_buf.h_dest, dev->broadcast, ETH1394_ALEN) == 0 ||
	    proto == htons(ETH_P_ARP) ||
	    (proto == htons(ETH_P_IP) &&
	     IN_MULTICAST(ntohl(ip_hdr(skb)->daddr)))) {
@@ -1616,7 +1617,7 @@ static int ether1394_tx(struct sk_buff *skb, struct net_device *dev)
		if (max_payload < dg_size + hdr_type_len[ETH1394_HDR_LF_UF])
			priv->bc_dgl++;
	} else {
		__be64 guid = get_unaligned((u64 *)eth->h_dest);
		__be64 guid = get_unaligned((u64 *)hdr_buf.h_dest);

		node = eth1394_find_node_guid(&priv->ip_node_list,
					      be64_to_cpu(guid));
@@ -1673,6 +1674,14 @@ static int ether1394_tx(struct sk_buff *skb, struct net_device *dev)
		if (dest_node == (LOCAL_BUS | ALL_NODES))
			goto fail;

		/* At this point we want to restore the packet.  When we return
		 * here with NETDEV_TX_BUSY we will get another entrance in this
		 * routine with the same skb and we need it to look the same.
		 * So we pull 4 more bytes, then build the header again. */
		skb_pull(skb, 4);
		ether1394_header(skb, dev, ntohs(hdr_buf.h_proto),
				 hdr_buf.h_dest, NULL, 0);

		/* Most failures of ether1394_send_packet are recoverable. */
		netif_stop_queue(dev);
		priv->wake_node = dest_node;