From: Rajkumar Manoharan <rmanoharan@atheros.com>
Date: Sat, 16 Apr 2011 08:47:39 +0000 (+0530)
Subject: ath9k_htc: Fix free slot value for cab queue
X-Git-Tag: upstream/snapshot3+hdmi~9986^2~16^2~358
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=cea3235cf578b5e952f5a0cec9bc6c2e862eb697;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

ath9k_htc: Fix free slot value for cab queue

ath9k_htc_tx_get_slot can return zero as valid index.

Signed-off-by: Rajkumar Manoharan <rmanoharan@atheros.com>
Acked-by: Sujith Manoharan <Sujith.Manoharan@Atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c b/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c
index bf7ef1b..a157107 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c
@@ -322,7 +322,7 @@ static void ath9k_htc_send_buffered(struct ath9k_htc_priv *priv,
 		}
 
 		tx_slot = ath9k_htc_tx_get_slot(priv);
-		if (tx_slot != 0) {
+		if (tx_slot < 0) {
 			ath_dbg(common, ATH_DBG_XMIT, "No free CAB slot\n");
 			dev_kfree_skb_any(skb);
 			goto next;