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Subject[PATCH 2/2] 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.

Signed-off-by: Simon Arlott <simon@fire.lp0.eu>
---
drivers/usb/atm/usbatm.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/drivers/usb/atm/usbatm.c b/drivers/usb/atm/usbatm.c
index 83cea01..1f5faee 100644
--- a/drivers/usb/atm/usbatm.c
+++ b/drivers/usb/atm/usbatm.c
@@ -274,6 +274,10 @@ static void usbatm_complete(struct urb *
(!(channel->usbatm->flags & UDSL_IGNORE_EILSEQ) ||
urb->status != -EILSEQ ))
{
+ /* the module/device has probably been removed */
+ if (urb->status == -ESHUTDOWN)
+ return;
+
if (printk_ratelimit())
atm_warn(channel->usbatm, "%s: urb 0x%p failed (%d)!\n",
__func__, urb, urb->status);
--
1.4.3.1

--
Simon Arlott

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