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[PATCH] mac80211: decrement ref count to netdev after launching mesh discovery

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

Signed-off-by: Brian Cavagnolo <brian@xxxxxxxxxxx>
Signed-off-by: Andrey Yurovsky <andrey@xxxxxxxxxxx>
---
 net/mac80211/tx.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index a7392af..d0ae7f0 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1358,8 +1358,10 @@ 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);
-- 
1.5.5.3

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