diff options
Diffstat (limited to 'net/wireless/nl80211.c')
| -rw-r--r-- | net/wireless/nl80211.c | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 1c4f7daea6c7..4ab1ffa9df11 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -1188,6 +1188,9 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *dev, if ((dev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) && nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP)) goto nla_put_failure; + if ((dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) && + nla_put_flag(msg, WIPHY_FLAG_SUPPORTS_5_10_MHZ)) + goto nla_put_failure; (*split_start)++; if (split) @@ -1731,6 +1734,11 @@ static int nl80211_parse_chandef(struct cfg80211_registered_device *rdev, IEEE80211_CHAN_DISABLED)) return -EINVAL; + if ((chandef->width == NL80211_CHAN_WIDTH_5 || + chandef->width == NL80211_CHAN_WIDTH_10) && + !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ)) + return -EINVAL; + return 0; } @@ -6280,11 +6288,16 @@ static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info) if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef)) return -EINVAL; - if (ibss.chandef.width > NL80211_CHAN_WIDTH_40) - return -EINVAL; - if (ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT && - !(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS)) + switch (ibss.chandef.width) { + case NL80211_CHAN_WIDTH_20_NOHT: + break; + case NL80211_CHAN_WIDTH_20: + case NL80211_CHAN_WIDTH_40: + if (rdev->wiphy.features & NL80211_FEATURE_HT_IBSS) + break; + default: return -EINVAL; + } ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED]; ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; |