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@xxxxxxxxx>
---
drivers/net/wireless/rt2x00/rt2x00usb.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.c b/drivers/net/wireless/rt2x00/rt2x00usb.c
index 52d12fd..36a087a 100644
--- a/drivers/net/wireless/rt2x00/rt2x00usb.c
+++ b/drivers/net/wireless/rt2x00/rt2x00usb.c
@@ -394,8 +394,11 @@ void rt2x00usb_disable_radio(struct rt2x00_dev *rt2x00dev)
}
/*
- * Kill guardian urb.
+ * 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++) {
bcn_priv = rt2x00dev->bcn->entries[i].priv_data;
if (bcn_priv->guardian_urb)
--
1.5.5.3
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