diff options
| author | Herbert Xu <herbert@gondor.apana.org.au> | 2005-11-17 09:47:45 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-11-17 11:29:54 -0800 |
| commit | d23b536bb715673ca0ccbdaac2b6ce2c001d06e9 (patch) | |
| tree | ea784d44ab72378b716c084f79926e4435eea046 | |
| parent | 8845add380854ffce5268714a093df8c80b4a6e2 (diff) | |
[PATCH] USB: fix race in kaweth disconnect
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>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | drivers/usb/net/kaweth.c | 13 |
1 files changed, 1 insertions, 12 deletions
diff --git a/drivers/usb/net/kaweth.c b/drivers/usb/net/kaweth.c index 6bef1be6b36c..b5776518020f 100644 --- a/drivers/usb/net/kaweth.c +++ b/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_device *net) 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_buff *skb, struct net_device *net) 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_interface *intf) 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); |