* [PATCH -next] staging: rtl8192u: fix wrong judgement in rtl8192_rx_isr
@ 2020-10-28 12:26 Zhang Qilong
0 siblings, 0 replies; only message in thread
From: Zhang Qilong @ 2020-10-28 12:26 UTC (permalink / raw)
To: gregkh; +Cc: devel
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>
---
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 27dc181c4c9b..93676af98629 100644
--- a/drivers/staging/rtl8192u/r8192U_core.c
+++ b/drivers/staging/rtl8192u/r8192U_core.c
@@ -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);
--
2.17.1
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