* [PATCH] staging: wlan-ng: fix ODEBUG bug in prism2sta_disconnect_usb
@ 2020-03-25 7:06 Qiujun Huang
0 siblings, 0 replies; only message in thread
From: Qiujun Huang @ 2020-03-25 7:06 UTC (permalink / raw)
To: gregkh, osdevtc; +Cc: devel, linux-kernel, Qiujun Huang
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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