From: Brian Cavagnolo <brian@cozybit.com>
Date: Sat, 17 Jan 2009 03:04:49 +0000 (-0800)
Subject: mac80211: decrement ref count to netdev after launching mesh discovery
X-Git-Tag: v2.6.29-rc3~23^2~37
X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=5dc306f3bd1d4cfdf79df39221b3036eab1ddcf3;p=linux-2.6-omap-h63xx.git

mac80211: decrement ref count to netdev after launching mesh discovery

After launching mesh discovery in tx path, reference count was not being
decremented.  This was preventing module unload.

Signed-off-by: Brian Cavagnolo <brian@cozybit.com>
Signed-off-by: Andrey Yurovsky <andrey@cozybit.com>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index a4af3a124cc..4278e545638 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1307,8 +1307,10 @@ int ieee80211_master_start_xmit(struct sk_buff *skb, struct net_device *dev)
 		if (is_multicast_ether_addr(hdr->addr3))
 			memcpy(hdr->addr1, hdr->addr3, ETH_ALEN);
 		else
-			if (mesh_nexthop_lookup(skb, osdata))
-				return  0;
+			if (mesh_nexthop_lookup(skb, osdata)) {
+				dev_put(odev);
+				return 0;
+			}
 		if (memcmp(odev->dev_addr, hdr->addr4, ETH_ALEN) != 0)
 			IEEE80211_IFSTA_MESH_CTR_INC(&osdata->u.mesh,
 							    fwded_frames);