Merge tag 'mac80211-for-net-2019-10-31' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211

Johannes Berg says:

====================
Just two fixes:
* HT operation is not allowed on channel 14 (Japan only)
* netlink policy for nexthop attribute was wrong
====================

Signed-off-by: David S. Miller <[e-mail]>

net/wireless/chan.c

···
 		return false;
 	}
 
+	/* channel 14 is only for IEEE 802.11b */
+	if (chandef->center_freq1 == 2484 &&
+	    chandef->width != NL80211_CHAN_WIDTH_20_NOHT)
+		return false;
+
 	if (cfg80211_chandef_is_edmg(chandef) &&
 	    !cfg80211_edmg_chandef_valid(chandef))
 		return false;

net/wireless/nl80211.c

···
 	[NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ },
 	[NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY,
 				   .len = IEEE80211_MAX_MESH_ID_LEN },
-	[NL80211_ATTR_MPATH_NEXT_HOP] = { .type = NLA_U32 },
+	[NL80211_ATTR_MPATH_NEXT_HOP] = NLA_POLICY_ETH_ADDR_COMPAT,
 
 	[NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 },
 	[NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED },

net/wireless/util.c

···
 	}
 
 	if (freq == 2484) {
-		if (chandef->width > NL80211_CHAN_WIDTH_40)
+		/* channel 14 is only for IEEE 802.11b */
+		if (chandef->width != NL80211_CHAN_WIDTH_20_NOHT)
 			return false;
 
 		*op_class = 82; /* channel 14 */