Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...

[pandora-kernel.git] / net / mac80211 / tx.c

diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index dc261bb..ffc6749 100644 (file)
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1750,7 +1750,7 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
        __le16 fc;
        struct ieee80211_hdr hdr;
        struct ieee80211s_hdr mesh_hdr __maybe_unused;
-       struct mesh_path *mppath = NULL;
+       struct mesh_path __maybe_unused *mppath = NULL;
        const u8 *encaps_data;
        int encaps_len, skip_header_bytes;
        int nh_pos, h_pos;
@@ -2230,6 +2230,9 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw,
 
        sdata = vif_to_sdata(vif);
 
+       if (!ieee80211_sdata_running(sdata))
+               goto out;
+
        if (tim_offset)
                *tim_offset = 0;
        if (tim_length)
@@ -2299,6 +2302,11 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw,
                struct ieee80211_mgmt *mgmt;
                u8 *pos;
 
+#ifdef CONFIG_MAC80211_MESH
+               if (!sdata->u.mesh.mesh_id_len)
+                       goto out;
+#endif
+
                /* headroom, head length, tail length and maximum TIM length */
                skb = dev_alloc_skb(local->tx_headroom + 400 +
                                sdata->u.mesh.vendor_ie_len);