diff options
Diffstat (limited to 'net/wireless/nl80211.c')
| -rw-r--r-- | net/wireless/nl80211.c | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 62bdb1adaa4d..ba4f1723c83a 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -1226,6 +1226,7 @@ struct nl80211_dump_wiphy_state { }; static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev, + enum nl80211_commands cmd, struct sk_buff *msg, u32 portid, u32 seq, int flags, struct nl80211_dump_wiphy_state *state) { @@ -1240,7 +1241,7 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev, rdev->wiphy.mgmt_stypes; u32 features; - hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_WIPHY); + hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); if (!hdr) return -ENOBUFS; @@ -1254,6 +1255,9 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev, cfg80211_rdev_list_generation)) goto nla_put_failure; + if (cmd != NL80211_CMD_NEW_WIPHY) + goto finish; + switch (state->split_start) { case 0: if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT, @@ -1682,6 +1686,7 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev, state->split_start = 0; break; } + finish: return genlmsg_end(msg, hdr); nla_put_failure: @@ -1756,7 +1761,8 @@ static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb) continue; /* attempt to fit multiple wiphy data chunks into the skb */ do { - ret = nl80211_send_wiphy(rdev, skb, + ret = nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, + skb, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq, NLM_F_MULTI, state); @@ -1811,7 +1817,8 @@ static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info) if (!msg) return -ENOMEM; - if (nl80211_send_wiphy(rdev, msg, info->snd_portid, info->snd_seq, 0, + if (nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, msg, + info->snd_portid, info->snd_seq, 0, &state) < 0) { nlmsg_free(msg); return -ENOBUFS; @@ -10101,16 +10108,20 @@ static const struct genl_ops nl80211_ops[] = { /* notification functions */ -void nl80211_notify_dev_rename(struct cfg80211_registered_device *rdev) +void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev, + enum nl80211_commands cmd) { struct sk_buff *msg; struct nl80211_dump_wiphy_state state = {}; + WARN_ON(cmd != NL80211_CMD_NEW_WIPHY && + cmd != NL80211_CMD_DEL_WIPHY); + msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) return; - if (nl80211_send_wiphy(rdev, msg, 0, 0, 0, &state) < 0) { + if (nl80211_send_wiphy(rdev, cmd, msg, 0, 0, 0, &state) < 0) { nlmsg_free(msg); return; } |