4.14-stable review patch. If anyone has any objections, please let me know.
------------------
From: Martin Kelly <mke...@xevo.com>
commit 12147edc434c9e4c7c2f5fee2e5519b2e5ac34ce upstream.
In mcba_usb, we have observed that when you unplug the device, the driver will
endlessly resubmit failing URBs, which can cause CPU stalls. This issue
is fixed in mcba_usb by catching the codes seen on device disconnect
(-EPIPE and -EPROTO).
This driver also resubmits in the case of -EPIPE and -EPROTO, so fix it
in the same way.
Signed-off-by: Martin Kelly <mke...@xevo.com>
Signed-off-by: Marc Kleine-Budde <m...@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
drivers/net/can/usb/usb_8dev.c | 2 ++
1 file changed, 2 insertions(+)
--- a/drivers/net/can/usb/usb_8dev.c
+++ b/drivers/net/can/usb/usb_8dev.c
@@ -524,6 +524,8 @@ static void usb_8dev_read_bulk_callback(
break;
case -ENOENT:
+ case -EPIPE:
+ case -EPROTO:
case -ESHUTDOWN:
return;
