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| author | Johannes Berg <johannes.berg@intel.com> | 2011-09-07 11:50:48 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-09-14 19:56:43 +0200 |
| commit | 4319e193271dc93241338eb0173fc26dc6c35465 (patch) | |
| tree | fd8c4c1ae175f4404c26e41b43e1667d498e33ee | |
| parent | iwlagn: fix compilation when debug flags is unset (diff) | |
| download | linux-4319e193271dc93241338eb0173fc26dc6c35465.tar.xz linux-4319e193271dc93241338eb0173fc26dc6c35465.zip | |
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: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | net/wireless/nl80211.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index f4cfd3abfbfd..11089541bb03 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -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 && |