p54: fix beaconing related firmware crash

This patch fixes a firmware crash which can be provoked by changing
operation mode.

Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Christian Lamparter <chunkeey@web.de>
Tested-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/net/wireless/p54/lmac.h b/drivers/net/wireless/p54/lmac.h
index af35cfcd4fe3..04b63ec80fa4 100644
--- a/drivers/net/wireless/p54/lmac.h
+++ b/drivers/net/wireless/p54/lmac.h
@@ -98,6 +98,10 @@ struct p54_hdr {
         (!((((struct p54_hdr *) ((struct sk_buff *) skb)->data)->       \
         flags) & cpu_to_le16(P54_HDR_FLAG_CONTROL)))
 
+#define GET_HW_QUEUE(skb)                                               \
+        (((struct p54_tx_data *)((struct p54_hdr *)                     \
+        skb->data)->data)->hw_queue)
+
 /*
  * shared interface ID definitions
  * The interface ID is a unique identification of a specific interface.