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Commit 4319e193 authored by Johannes Berg's avatar Johannes Berg Committed by John W. Linville
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cfg80211: verify format of uAPSD information



The format is intended to be like the subfields
in the QoS Info field, verify that is the case.

Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent ff620849
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+5 −0
Original line number Diff line number Diff line
@@ -2627,10 +2627,15 @@ static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
		if (tb[NL80211_STA_WME_UAPSD_QUEUES])
			params.uapsd_queues =
			     nla_get_u8(tb[NL80211_STA_WME_UAPSD_QUEUES]);
		if (params.uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
			return -EINVAL;

		if (tb[NL80211_STA_WME_MAX_SP])
			params.max_sp =
			     nla_get_u8(tb[NL80211_STA_WME_MAX_SP]);

		if (params.max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
			return -EINVAL;
	}

	if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&