diff options
| -rw-r--r-- | net/wireless/nl80211.c | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 703155b1aa7a..398756c226c3 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -3218,6 +3218,7 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) return PTR_ERR(params.acl); } + wdev_lock(wdev); err = rdev_start_ap(rdev, dev, ¶ms); if (!err) { wdev->preset_chandef = params.chandef; @@ -3226,6 +3227,7 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) wdev->ssid_len = params.ssid_len; memcpy(wdev->ssid, params.ssid, wdev->ssid_len); } + wdev_unlock(wdev); kfree(params.acl); @@ -3254,7 +3256,11 @@ static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info) if (err) return err; - return rdev_change_beacon(rdev, dev, ¶ms); + wdev_lock(wdev); + err = rdev_change_beacon(rdev, dev, ¶ms); + wdev_unlock(wdev); + + return err; } static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info) @@ -4460,7 +4466,9 @@ static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info) { struct cfg80211_registered_device *rdev = info->user_ptr[0]; struct net_device *dev = info->user_ptr[1]; + struct wireless_dev *wdev = dev->ieee80211_ptr; struct bss_parameters params; + int err; memset(¶ms, 0, sizeof(params)); /* default to not changing parameters */ @@ -4526,7 +4534,11 @@ static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info) dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) return -EOPNOTSUPP; - return rdev_change_bss(rdev, dev, ¶ms); + wdev_lock(wdev); + err = rdev_change_bss(rdev, dev, ¶ms); + wdev_unlock(wdev); + + return err; } static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = { @@ -5791,7 +5803,11 @@ skip_beacons: if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX]) params.block_tx = true; - return rdev_channel_switch(rdev, dev, ¶ms); + wdev_lock(wdev); + err = rdev_channel_switch(rdev, dev, ¶ms); + wdev_unlock(wdev); + + return err; } static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb, |