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authorIvo van Doorn <IvDoorn@gmail.com>2008-06-03 20:29:50 +0200
committerJohn W. Linville <linville@tuxdriver.com>2008-06-13 16:14:46 -0400
commitedfa78b2ba651782d70be6d1fef214e21a26d8cb (patch)
tree9a6e72d3663601923281ce08f90529ce10da2dc1 /drivers/net/wireless
parentec0a196626bd12e0ba108d7daa6d95a4fb25c2c5 (diff)
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: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless')
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00usb.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.c b/drivers/net/wireless/rt2x00/rt2x00usb.c
index 5a331674dcb..e5ceae805b5 100644
--- a/drivers/net/wireless/rt2x00/rt2x00usb.c
+++ b/drivers/net/wireless/rt2x00/rt2x00usb.c
@@ -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++) {
priv_bcn = rt2x00dev->bcn->entries[i].priv_data;
usb_kill_urb(priv_bcn->urb);