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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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