staging: wlan-ng: fix ODEBUG bug in prism2sta_disconnect_usb
authorQiujun Huang <hqjagain@gmail.com>
Wed, 25 Mar 2020 07:06:46 +0000 (15:06 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 1 Apr 2020 09:02:17 +0000 (11:02 +0200)
commitc44ea4fe738b25baf53cd7a190b35650617e3a25
tree4ed506ec5d0ed6d810e992baf598e5fdb71b2fac
parent0ec1ab1b15d2f9d58476b8ee81e4284dc3ef50e4
staging: wlan-ng: fix ODEBUG bug in prism2sta_disconnect_usb

commit a1f165a6b738f0c9d744bad4af7a53909278f5fc upstream.

We should cancel hw->usb_work before kfree(hw).

Reported-by: syzbot+6d2e7f6fa90e27be9d62@syzkaller.appspotmail.com
Signed-off-by: Qiujun Huang <hqjagain@gmail.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/1585120006-30042-1-git-send-email-hqjagain@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/wlan-ng/prism2usb.c