Detect usb device shutdown and ignore failed urbs.
This happens when the driver is unloaded or the device is unplugged.
Signed-off-by: Simon Arlott <[email protected]>
Cc: Duncan Sands <[email protected]>
---
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.
drivers/usb/atm/usbatm.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/drivers/usb/atm/usbatm.c b/drivers/usb/atm/usbatm.c
index d0f1976..6b31175 100644
--- a/drivers/usb/atm/usbatm.c
+++ b/drivers/usb/atm/usbatm.c
@@ -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);
--
1.5.0.1
--
Simon Arlott
-
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