Two more fixes for mac80211 - one of them addresses a long-standing

issue that we only found when using vendor events more frequently;
 the other addresses some bad information being reported in userspace
 that people were starting to actually look at.
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Merge tag 'mac80211-for-john-2014-09-08' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211

Johannes Berg <johannes@sipsolutions.net> says:

"Two more fixes for mac80211 - one of them addresses a long-standing
issue that we only found when using vendor events more frequently;
the other addresses some bad information being reported in userspace
that people were starting to actually look at."

Signed-off-by: John W. Linville <linville@tuxdriver.com>

net/mac80211/sta_info.c

@@ -1822,7 +1822,7 @@ void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
 		sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE;
 	if (sdata->vif.bss_conf.use_short_slot)
 		sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
-	sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period;
+	sinfo->bss_param.dtim_period = sdata->vif.bss_conf.dtim_period;
 	sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int;
 
 	sinfo->sta_flags.set = 0;

net/wireless/nl80211.c

@@ -6969,6 +6969,9 @@ void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp)
 	struct nlattr *data = ((void **)skb->cb)[2];
 	enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE;
 
+	/* clear CB data for netlink core to own from now on */
+	memset(skb->cb, 0, sizeof(skb->cb));
+
 	nla_nest_end(skb, data);
 	genlmsg_end(skb, hdr);
 
@@ -9294,6 +9297,9 @@ int cfg80211_vendor_cmd_reply(struct sk_buff *skb)
 	void *hdr = ((void **)skb->cb)[1];
 	struct nlattr *data = ((void **)skb->cb)[2];
 
+	/* clear CB data for netlink core to own from now on */
+	memset(skb->cb, 0, sizeof(skb->cb));
+
 	if (WARN_ON(!rdev->cur_cmd_info)) {
 		kfree_skb(skb);
 		return -EINVAL;