Welcome to mirror list, hosted at ThFree Co, Russian Federation.

github.com/torvalds/linux.git - Unnamed repository; edit this file 'description' to name the repository.
summaryrefslogtreecommitdiff
path: root/net
diff options
context:
space:
mode:
authorRocco Yue <rocco.yue@mediatek.com>2021-08-03 15:02:50 +0300
committerDavid S. Miller <davem@davemloft.net>2021-08-04 12:01:26 +0300
commit8679c31e0284aa3aaba038035e443180b5bacb99 (patch)
tree62e672e4e10faa37fc8108a95236b14327c7114e /net
parent314001f0bf927015e459c9d387d62a231fe93af3 (diff)
net: add extack arg for link ops
Pass extack arg to validate_linkmsg and validate_link_af callbacks. If a netlink attribute has a reject_message, use the extended ack mechanism to carry the message back to user space. Signed-off-by: Rocco Yue <rocco.yue@mediatek.com> Reviewed-by: David Ahern <dsahern@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/core/rtnetlink.c9
-rw-r--r--net/ipv4/devinet.c5
-rw-r--r--net/ipv6/addrconf.c5
3 files changed, 11 insertions, 8 deletions
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index e79aaf1f7139..7c9d32cfe607 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -2257,7 +2257,8 @@ invalid_attr:
return -EINVAL;
}
-static int validate_linkmsg(struct net_device *dev, struct nlattr *tb[])
+static int validate_linkmsg(struct net_device *dev, struct nlattr *tb[],
+ struct netlink_ext_ack *extack)
{
if (dev) {
if (tb[IFLA_ADDRESS] &&
@@ -2284,7 +2285,7 @@ static int validate_linkmsg(struct net_device *dev, struct nlattr *tb[])
return -EOPNOTSUPP;
if (af_ops->validate_link_af) {
- err = af_ops->validate_link_af(dev, af);
+ err = af_ops->validate_link_af(dev, af, extack);
if (err < 0)
return err;
}
@@ -2592,7 +2593,7 @@ static int do_setlink(const struct sk_buff *skb,
const struct net_device_ops *ops = dev->netdev_ops;
int err;
- err = validate_linkmsg(dev, tb);
+ err = validate_linkmsg(dev, tb, extack);
if (err < 0)
return err;
@@ -3290,7 +3291,7 @@ replay:
m_ops = master_dev->rtnl_link_ops;
}
- err = validate_linkmsg(dev, tb);
+ err = validate_linkmsg(dev, tb, extack);
if (err < 0)
return err;
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index c82aded8da7d..f4468980b675 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -1950,7 +1950,8 @@ static const struct nla_policy inet_af_policy[IFLA_INET_MAX+1] = {
};
static int inet_validate_link_af(const struct net_device *dev,
- const struct nlattr *nla)
+ const struct nlattr *nla,
+ struct netlink_ext_ack *extack)
{
struct nlattr *a, *tb[IFLA_INET_MAX+1];
int err, rem;
@@ -1959,7 +1960,7 @@ static int inet_validate_link_af(const struct net_device *dev,
return -EAFNOSUPPORT;
err = nla_parse_nested_deprecated(tb, IFLA_INET_MAX, nla,
- inet_af_policy, NULL);
+ inet_af_policy, extack);
if (err < 0)
return err;
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index db0a89810f28..0b786fc7b7d4 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -5792,7 +5792,8 @@ static int check_stable_privacy(struct inet6_dev *idev, struct net *net,
}
static int inet6_validate_link_af(const struct net_device *dev,
- const struct nlattr *nla)
+ const struct nlattr *nla,
+ struct netlink_ext_ack *extack)
{
struct nlattr *tb[IFLA_INET6_MAX + 1];
struct inet6_dev *idev = NULL;
@@ -5805,7 +5806,7 @@ static int inet6_validate_link_af(const struct net_device *dev,
}
err = nla_parse_nested_deprecated(tb, IFLA_INET6_MAX, nla,
- inet6_af_policy, NULL);
+ inet6_af_policy, extack);
if (err)
return err;