mac80211: mesh hwmp: fix kfree(skb)

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

net/mac80211/mesh_hwmp.c

@@ -120,7 +120,7 @@ static int mesh_path_sel_frame_tx(enum mpath_frame_type action, u8 flags,
 		*pos++ = WLAN_EID_PREP;
 		break;
 	default:
-		kfree(skb);
+		kfree_skb(skb);
 		return -ENOTSUPP;
 		break;
 	}