mac80211: Handle mesh action frames in ieee80211_rx_h_action

This fixes the problem introduced in commit
8404080568613d93ad7cf0a16dfb68 which broke mesh peer link establishment.

changes:
v2 Added missing break (Johannes)
v3 Broke original patch into two (Johannes)

Signed-off-by: Javier Cardona <[e-mail]>
Cc: [e-mail]
Reviewed-by: Johannes Berg <[e-mail]>
Signed-off-by: John W. Linville <[e-mail]>

net/mac80211/mesh.c

···
 
 	switch (fc & IEEE80211_FCTL_STYPE) {
 	case IEEE80211_STYPE_ACTION:
-		if (skb->len < IEEE80211_MIN_ACTION_SIZE)
-			return RX_DROP_MONITOR;
-		/* fall through */
 	case IEEE80211_STYPE_PROBE_RESP:
 	case IEEE80211_STYPE_BEACON:
 		skb_queue_tail(&ifmsh->skb_queue, skb);

net/mac80211/rx.c

···
 			goto handled;
 		}
 		break;
+	case MESH_PLINK_CATEGORY:
+	case MESH_PATH_SEL_CATEGORY:
+		if (ieee80211_vif_is_mesh(&sdata->vif))
+			return ieee80211_mesh_rx_mgmt(sdata, rx->skb);
+		break;
 	}
 
 	/*