sdata = vif_to_sdata(vif);
+ if (!ieee80211_sdata_running(sdata))
+ goto out;
+
if (tim_offset)
*tim_offset = 0;
if (tim_length)
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);