diff options
Diffstat (limited to 'net/wireless')
-rw-r--r-- | net/wireless/nl80211.c | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index f4afa995b867..72de6989dd12 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -4359,6 +4359,8 @@ static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info) struct net_device *dev = info->user_ptr[1]; struct station_parameters params; u8 *mac_addr = NULL; + u32 auth_assoc = BIT(NL80211_STA_FLAG_AUTHENTICATED) | + BIT(NL80211_STA_FLAG_ASSOCIATED); memset(¶ms, 0, sizeof(params)); @@ -4470,10 +4472,23 @@ static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info) /* allow authenticated/associated only if driver handles it */ if (!(rdev->wiphy.features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) && - params.sta_flags_mask & - (BIT(NL80211_STA_FLAG_AUTHENTICATED) | - BIT(NL80211_STA_FLAG_ASSOCIATED))) - return -EINVAL; + params.sta_flags_mask & auth_assoc) + return -EINVAL; + + /* Older userspace, or userspace wanting to be compatible with + * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth + * and assoc flags in the mask, but assumes the station will be + * added as associated anyway since this was the required driver + * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was + * introduced. + * In order to not bother drivers with this quirk in the API + * set the flags in both the mask and set for new stations in + * this case. + */ + if (!(params.sta_flags_mask & auth_assoc)) { + params.sta_flags_mask |= auth_assoc; + params.sta_flags_set |= auth_assoc; + } /* must be last in here for error handling */ params.vlan = get_vlan(info, rdev); |