Messages in this thread Patch in this message | | | Date | Thu, 17 Nov 2005 09:47:45 -0800 | From | Greg Kroah-Hartman <> | Subject | [patch 16/22] USB: fix race in kaweth disconnect |
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From: Herbert Xu <herbert@gondor.apana.org.au>
this patch from Herbert Xu fixes a race by moving termination of the URBs into close() exclusively.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Oliver Neukum <oliver@neukum.name> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
--- drivers/usb/net/kaweth.c | 13 +------------ 1 file changed, 1 insertion(+), 12 deletions(-)
--- usb-2.6.orig/drivers/usb/net/kaweth.c +++ usb-2.6/drivers/usb/net/kaweth.c @@ -219,7 +219,6 @@ struct kaweth_device __u32 status; int end; - int removed; int suspend_lowmem_rx; int suspend_lowmem_ctrl; int linkstate; @@ -699,6 +698,7 @@ static int kaweth_close(struct net_devic usb_kill_urb(kaweth->irq_urb); usb_kill_urb(kaweth->rx_urb); + usb_kill_urb(kaweth->tx_urb); flush_scheduled_work(); @@ -750,13 +750,6 @@ static int kaweth_start_xmit(struct sk_b spin_lock(&kaweth->device_lock); - if (kaweth->removed) { - /* our device is undergoing disconnection - we bail out */ - spin_unlock(&kaweth->device_lock); - dev_kfree_skb_irq(skb); - return 0; - } - kaweth_async_set_rx_mode(kaweth); netif_stop_queue(net); @@ -1136,10 +1129,6 @@ static void kaweth_disconnect(struct usb return; } netdev = kaweth->net; - kaweth->removed = 1; - usb_kill_urb(kaweth->irq_urb); - usb_kill_urb(kaweth->rx_urb); - usb_kill_urb(kaweth->tx_urb); kaweth_dbg("Unregistering net device"); unregister_netdev(netdev); -- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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