diff options
| -rw-r--r-- | net/wireless/core.c | 4 | ||||
| -rw-r--r-- | net/wireless/nl80211.c | 5 |
2 files changed, 7 insertions, 2 deletions
diff --git a/net/wireless/core.c b/net/wireless/core.c index 3f756ce46602..409d74c57ca0 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -191,13 +191,13 @@ int cfg80211_switch_netns(struct cfg80211_registered_device *rdev, return err; } + wiphy_lock(&rdev->wiphy); list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) { if (!wdev->netdev) continue; nl80211_notify_iface(rdev, wdev, NL80211_CMD_DEL_INTERFACE); } - wiphy_lock(&rdev->wiphy); nl80211_notify_wiphy(rdev, NL80211_CMD_DEL_WIPHY); wiphy_net_set(&rdev->wiphy, net); @@ -206,13 +206,13 @@ int cfg80211_switch_netns(struct cfg80211_registered_device *rdev, WARN_ON(err); nl80211_notify_wiphy(rdev, NL80211_CMD_NEW_WIPHY); - wiphy_unlock(&rdev->wiphy); list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) { if (!wdev->netdev) continue; nl80211_notify_iface(rdev, wdev, NL80211_CMD_NEW_INTERFACE); } + wiphy_unlock(&rdev->wiphy); return 0; } diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index dbfed5a2d7b6..1cbbb11ea503 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -3822,6 +3822,8 @@ static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flag struct net_device *dev = wdev->netdev; void *hdr; + lockdep_assert_wiphy(&rdev->wiphy); + WARN_ON(cmd != NL80211_CMD_NEW_INTERFACE && cmd != NL80211_CMD_DEL_INTERFACE && cmd != NL80211_CMD_SET_INTERFACE); @@ -3989,6 +3991,7 @@ static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback * if_idx = 0; + wiphy_lock(&rdev->wiphy); list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) { if (if_idx < if_start) { if_idx++; @@ -3998,10 +4001,12 @@ static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback * cb->nlh->nlmsg_seq, NLM_F_MULTI, rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) { + wiphy_unlock(&rdev->wiphy); goto out; } if_idx++; } + wiphy_unlock(&rdev->wiphy); wp_idx++; } |