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staging: rtl8192u: fix wrong judgement in rtl8192_rx_isr

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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>
This commit is contained in:
Zhang Qilong 2020-10-28 20:26:48 +08:00 committed by Greg Kroah-Hartman
parent d1e7550ad0
commit 071dc1787a
1 changed files with 1 additions and 1 deletions
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2
drivers/staging/rtl8192u/r8192U_core.c
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@ -867,7 +867,7 @@ 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);