[ Upstream commit db332356 ]

ipwireless_send_packet() can only return 0 on success and -ENOMEM on
error, the caller should check non zero for error condition
Signed-off-by: NTong Zhang <ztong0001@gmail.com>
Acked-by: NDavid Sterba <dsterba@suse.com>
Link: https://lore.kernel.org/r/20200821161942.36589-1-ztong0001@gmail.comSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: NSasha Levin <sashal@kernel.org>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>