From: Martin Kelly <mkelly@xxxxxxxx> This patch has been added to the stable tree. If you have any objections, please let us know. =============== [ Upstream commit 7a31ced3de06e9878e4f9c3abe8f87d9344d8144 ] 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 <mkelly@xxxxxxxx> Cc: linux-stable <stable@xxxxxxxxxxxxxxx> Signed-off-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx> Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx> --- drivers/net/can/usb/esd_usb2.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/can/usb/esd_usb2.c b/drivers/net/can/usb/esd_usb2.c index 730a2bac124d..f413c0b7be23 100644 --- a/drivers/net/can/usb/esd_usb2.c +++ b/drivers/net/can/usb/esd_usb2.c @@ -396,6 +396,8 @@ static void esd_usb2_read_bulk_callback(struct urb *urb) break; case -ENOENT: + case -EPIPE: + case -EPROTO: case -ESHUTDOWN: return; -- 2.11.0