| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.19 088/116] staging: wlan-ng: fix ODEBUG bug in prism2sta_disconnect_usb | Date | Wed, 1 Apr 2020 18:17:44 +0200 |
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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.com 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 @@ -180,6 +180,7 @@ 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
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