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authorJakub Kicinski <kuba@kernel.org>2023-08-15 00:47:21 +0300
committerJakub Kicinski <kuba@kernel.org>2023-08-16 01:01:03 +0300
commit0e19d3108aeab6a9edcef07bf0f123fa2961d0d6 (patch)
tree9c259abfe561f55ebfa143e9f2bf2eb325149b06 /net/core
parent5aa51d9f889ca61201044b28677eb60236b0d746 (diff)
downloadlinux-0e19d3108aeab6a9edcef07bf0f123fa2961d0d6.tar.xz
netdev-genl: use struct genl_info for reply construction
Use the just added APIs to make the code simpler. Reviewed-by: Jiri Pirko <jiri@nvidia.com> Link: https://lore.kernel.org/r/20230814214723.2924989-9-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/core')
-rw-r--r--net/core/netdev-genl.c17
1 files changed, 8 insertions, 9 deletions
diff --git a/net/core/netdev-genl.c b/net/core/netdev-genl.c
index 797c813c7c77..c1aea8b756b6 100644
--- a/net/core/netdev-genl.c
+++ b/net/core/netdev-genl.c
@@ -10,11 +10,11 @@
static int
netdev_nl_dev_fill(struct net_device *netdev, struct sk_buff *rsp,
- u32 portid, u32 seq, int flags, u32 cmd)
+ const struct genl_info *info)
{
void *hdr;
- hdr = genlmsg_put(rsp, portid, seq, &netdev_nl_family, flags, cmd);
+ hdr = genlmsg_iput(rsp, info);
if (!hdr)
return -EMSGSIZE;
@@ -41,17 +41,20 @@ netdev_nl_dev_fill(struct net_device *netdev, struct sk_buff *rsp,
static void
netdev_genl_dev_notify(struct net_device *netdev, int cmd)
{
+ struct genl_info info;
struct sk_buff *ntf;
if (!genl_has_listeners(&netdev_nl_family, dev_net(netdev),
NETDEV_NLGRP_MGMT))
return;
+ genl_info_init_ntf(&info, &netdev_nl_family, cmd);
+
ntf = genlmsg_new(GENLMSG_DEFAULT_SIZE, GFP_KERNEL);
if (!ntf)
return;
- if (netdev_nl_dev_fill(netdev, ntf, 0, 0, 0, cmd)) {
+ if (netdev_nl_dev_fill(netdev, ntf, &info)) {
nlmsg_free(ntf);
return;
}
@@ -80,8 +83,7 @@ int netdev_nl_dev_get_doit(struct sk_buff *skb, struct genl_info *info)
netdev = __dev_get_by_index(genl_info_net(info), ifindex);
if (netdev)
- err = netdev_nl_dev_fill(netdev, rsp, info->snd_portid,
- info->snd_seq, 0, info->genlhdr->cmd);
+ err = netdev_nl_dev_fill(netdev, rsp, info);
else
err = -ENODEV;
@@ -105,10 +107,7 @@ int netdev_nl_dev_get_dumpit(struct sk_buff *skb, struct netlink_callback *cb)
rtnl_lock();
for_each_netdev_dump(net, netdev, cb->args[0]) {
- err = netdev_nl_dev_fill(netdev, skb,
- NETLINK_CB(cb->skb).portid,
- cb->nlh->nlmsg_seq, 0,
- NETDEV_CMD_DEV_GET);
+ err = netdev_nl_dev_fill(netdev, skb, genl_info_dump(cb));
if (err < 0)
break;
}