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usbatm: Detect usb device shutdown and ignore failed urbs 

Detect usb device shutdown and ignore failed urbs.  This happens when the
driver is unloaded or the device is unplugged.

I'm not sure what other urb statuses should be ignored, and the warning
message doesn't need to be shown when the module is unloaded or the device
is removed.

Signed-off-by: Simon Arlott <simon@fire.lp0.eu>
Cc: Duncan Sands <duncan.sands@math.u-psud.fr>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Simon Arlott 2007-04-26 00:38:04 -07:00 committed by Greg Kroah-Hartman
parent 5c975acb99
commit 7d5e1dd40b
1 changed files with 3 additions and 0 deletions
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3
drivers/usb/atm/usbatm.c
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@ -274,6 +274,9 @@ static void usbatm_complete(struct urb *urb)
(!(channel->usbatm->flags & UDSL_IGNORE_EILSEQ) ||
urb->status != -EILSEQ ))
{
if (urb->status == -ESHUTDOWN)
return;
if (printk_ratelimit())
atm_warn(channel->usbatm, "%s: urb 0x%p failed (%d)!\n",
__func__, urb, urb->status);