usbnet: sanity check for maxpacket

mainline inclusion
from mainline-v5.15-rc7
commit 397430b5
category: bugfix
bugzilla: https://gitee.com/src-openeuler/kernel/issues/I9RCX9
CVE: CVE-2021-47495

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=397430b50a363d8b7bdda00522123f82df6adc5e



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

maxpacket of 0 makes no sense and oopses as we need to divide
by it. Give up.

V2: fixed typo in log and stylistic issues

Signed-off-by: Oliver Neukum <oneukum@suse.com>
Reported-by:  <syzbot+76bb1d34ffa0adc03baa@syzkaller.appspotmail.com>
Reviewed-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20211021122944.21816-1-oneukum@suse.com


Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>