From: Zhang Qilong zhangqilong3@huawei.com
[ Upstream commit 071dc1787a2f8bb636f864c1f306280deea3b1d5 ]
The 'EPERM' cannot appear in the previous path, we should use '-EPERM' to check it. For example:
Call trace: ->rtl8192_rx_isr ->usb_submit_urb ->usb_hcd_submit_urb ->rh_urb_enqueue ->rh_queue_status ->usb_hcd_link_urb_to_ep
Signed-off-by: Zhang Qilong zhangqilong3@huawei.com Link: https://lore.kernel.org/r/20201028122648.47959-1-zhangqilong3@huawei.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/staging/rtl8192u/r8192U_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/staging/rtl8192u/r8192U_core.c b/drivers/staging/rtl8192u/r8192U_core.c index 87244a2089763..e141a0086f8d5 100644 --- a/drivers/staging/rtl8192u/r8192U_core.c +++ b/drivers/staging/rtl8192u/r8192U_core.c @@ -928,7 +928,7 @@ static void rtl8192_rx_isr(struct urb *urb) urb->context = skb; skb_queue_tail(&priv->rx_queue, skb); err = usb_submit_urb(urb, GFP_ATOMIC); - if (err && err != EPERM) + if (err && err != -EPERM) netdev_err(dev, "can not submit rxurb, err is %x, URB status is %x\n", err, urb->status);