提交 edfa78b2 编写于 作者: I Ivo van Doorn 提交者: John W. Linville

rt2x00: Don't kill guardian_urb when it wasn't created

This fixes a "BUG: unable to handle kernel paging request"
bug in rt73usb which was caused by killing the guardian_urb
while it had never been allocated for rt73usb.
Signed-off-by: NIvo van Doorn <IvDoorn@gmail.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
上级 ec0a1966
...@@ -362,6 +362,12 @@ void rt2x00usb_disable_radio(struct rt2x00_dev *rt2x00dev) ...@@ -362,6 +362,12 @@ void rt2x00usb_disable_radio(struct rt2x00_dev *rt2x00dev)
} }
} }
/*
* Kill guardian urb (if required by driver).
*/
if (!test_bit(DRIVER_REQUIRE_BEACON_GUARD, &rt2x00dev->flags))
return;
for (i = 0; i < rt2x00dev->bcn->limit; i++) { for (i = 0; i < rt2x00dev->bcn->limit; i++) {
priv_bcn = rt2x00dev->bcn->entries[i].priv_data; priv_bcn = rt2x00dev->bcn->entries[i].priv_data;
usb_kill_urb(priv_bcn->urb); usb_kill_urb(priv_bcn->urb);
......
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