diff options
Diffstat (limited to 'net/wireless')
| -rw-r--r-- | net/wireless/nl80211.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index dc08211c6c6..aee252d65b8 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -4368,9 +4368,15 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) } } - if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) + if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) { request->flags = nla_get_u32( info->attrs[NL80211_ATTR_SCAN_FLAGS]); + if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && + !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) { + err = -EOPNOTSUPP; + goto out_free; + } + } request->no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); @@ -4603,9 +4609,15 @@ static int nl80211_start_sched_scan(struct sk_buff *skb, request->ie_len); } - if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) + if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) { request->flags = nla_get_u32( info->attrs[NL80211_ATTR_SCAN_FLAGS]); + if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && + !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) { + err = -EOPNOTSUPP; + goto out_free; + } + } request->dev = dev; request->wiphy = &rdev->wiphy; |