From: Qiujun Huang hqjagain@gmail.com
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.c... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/staging/wlan-ng/prism2usb.c | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/staging/wlan-ng/prism2usb.c +++ b/drivers/staging/wlan-ng/prism2usb.c @@ -179,6 +179,7 @@ static void prism2sta_disconnect_usb(str
cancel_work_sync(&hw->link_bh); cancel_work_sync(&hw->commsqual_bh); + cancel_work_sync(&hw->usb_work);
/* Now we complete any outstanding commands * and tell everyone who is waiting for their