From: Qiujun Huang <hqjagain@gmail.com>
To: gregkh@linuxfoundation.org, osdevtc@gmail.com
Cc: devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org,
Qiujun Huang <hqjagain@gmail.com>
Subject: [PATCH] staging: wlan-ng: fix ODEBUG bug in prism2sta_disconnect_usb
Date: Wed, 25 Mar 2020 15:06:46 +0800 [thread overview]
Message-ID: <1585120006-30042-1-git-send-email-hqjagain@gmail.com> (raw)
We should cancel hw->usb_work before kfree(hw).
Reported-by: syzbot+6d2e7f6fa90e27be9d62@syzkaller.appspotmail.com
Signed-off-by: Qiujun Huang <hqjagain@gmail.com>
---
drivers/staging/wlan-ng/prism2usb.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/staging/wlan-ng/prism2usb.c b/drivers/staging/wlan-ng/prism2usb.c
index 352556f..4689b21 100644
--- a/drivers/staging/wlan-ng/prism2usb.c
+++ b/drivers/staging/wlan-ng/prism2usb.c
@@ -180,6 +180,7 @@ static void prism2sta_disconnect_usb(struct usb_interface *interface)
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
--
1.8.3.1
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reply other threads:[~2020-03-25 7:14 UTC|newest]
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