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Diffstat (limited to 'net/wireless/nl80211.c')
-rw-r--r--net/wireless/nl80211.c21
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;
}