mainline inclusion
from mainline-5.10.62
commit 384dea502e9119d90a1f700ddf2d5a861f8bde34
bugzilla: 182217 https://gitee.com/openeuler/kernel/issues/I4EFOS

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=384dea502e9119d90a1f700ddf2d5a861f8bde34

--------------------------------

[ Upstream commit ffc9c3eb ]

- restore the behavior in enable_net_traffic() to avoid regressions - Jakub
    Kicinski;
  - hurried up and removed redundant assignment in pegasus_open() before yet
    another checker complains;

Fixes: 8a160e2e ("net: usb: pegasus: Check the return value of get_geristers() and friends;")
Reported-by: NJakub Kicinski <kuba@kernel.org>
Signed-off-by: NPetko Manolov <petko.manolov@konsulko.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
Signed-off-by: NSasha Levin <sashal@kernel.org>
Signed-off-by: NChen Jun <chenjun102@huawei.com>
Acked-by: NWeilong Chen <chenweilong@huawei.com>
Signed-off-by: NChen Jun <chenjun102@huawei.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>