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-rw-r--r--include/linux/rtnetlink.h4
-rw-r--r--net/bridge/br_netlink.c3
-rw-r--r--net/core/fib_rules.c3
-rw-r--r--net/core/neighbour.c3
-rw-r--r--net/core/rtnetlink.c9
-rw-r--r--net/decnet/dn_dev.c3
-rw-r--r--net/decnet/dn_table.c3
-rw-r--r--net/ipv4/devinet.c3
-rw-r--r--net/ipv4/fib_semantics.c5
-rw-r--r--net/ipv6/addrconf.c9
-rw-r--r--net/ipv6/ndisc.c6
-rw-r--r--net/ipv6/route.c5
-rw-r--r--net/netlink/af_netlink.c14
-rw-r--r--net/phonet/pn_netlink.c5
14 files changed, 45 insertions, 30 deletions
diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h
index 1e5f673..35a07c8 100644
--- a/include/linux/rtnetlink.h
+++ b/include/linux/rtnetlink.h
@@ -622,8 +622,8 @@ static __inline__ int rtattr_strcmp(const struct rtattr *rta, const char *str)
extern int rtnetlink_send(struct sk_buff *skb, struct net *net, u32 pid, u32 group, int echo);
extern int rtnl_unicast(struct sk_buff *skb, struct net *net, u32 pid);
-extern int rtnl_notify(struct sk_buff *skb, struct net *net, u32 pid, u32 group,
- struct nlmsghdr *nlh, gfp_t flags);
+extern void rtnl_notify(struct sk_buff *skb, struct net *net, u32 pid,
+ u32 group, struct nlmsghdr *nlh, gfp_t flags);
extern void rtnl_set_sk_err(struct net *net, u32 group, int error);
extern int rtnetlink_put_metrics(struct sk_buff *skb, u32 *metrics);
extern int rtnl_put_cacheinfo(struct sk_buff *skb, struct dst_entry *dst,
diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c
index ba7be19..fcffb3f 100644
--- a/net/bridge/br_netlink.c
+++ b/net/bridge/br_netlink.c
@@ -98,7 +98,8 @@ void br_ifinfo_notify(int event, struct net_bridge_port *port)
kfree_skb(skb);
goto errout;
}
- err = rtnl_notify(skb, net, 0, RTNLGRP_LINK, NULL, GFP_ATOMIC);
+ rtnl_notify(skb, net, 0, RTNLGRP_LINK, NULL, GFP_ATOMIC);
+ return;
errout:
if (err < 0)
rtnl_set_sk_err(net, RTNLGRP_LINK, err);
diff --git a/net/core/fib_rules.c b/net/core/fib_rules.c
index 32b3a01..98691e1 100644
--- a/net/core/fib_rules.c
+++ b/net/core/fib_rules.c
@@ -588,7 +588,8 @@ static void notify_rule_change(int event, struct fib_rule *rule,
goto errout;
}
- err = rtnl_notify(skb, net, pid, ops->nlgroup, nlh, GFP_KERNEL);
+ rtnl_notify(skb, net, pid, ops->nlgroup, nlh, GFP_KERNEL);
+ return;
errout:
if (err < 0)
rtnl_set_sk_err(net, ops->nlgroup, err);
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 278a142..e1144cb 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -2534,7 +2534,8 @@ static void __neigh_notify(struct neighbour *n, int type, int flags)
kfree_skb(skb);
goto errout;
}
- err = rtnl_notify(skb, net, 0, RTNLGRP_NEIGH, NULL, GFP_ATOMIC);
+ rtnl_notify(skb, net, 0, RTNLGRP_NEIGH, NULL, GFP_ATOMIC);
+ return;
errout:
if (err < 0)
rtnl_set_sk_err(net, RTNLGRP_NEIGH, err);
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 790dd20..d78030f 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -455,8 +455,8 @@ int rtnl_unicast(struct sk_buff *skb, struct net *net, u32 pid)
return nlmsg_unicast(rtnl, skb, pid);
}
-int rtnl_notify(struct sk_buff *skb, struct net *net, u32 pid, u32 group,
- struct nlmsghdr *nlh, gfp_t flags)
+void rtnl_notify(struct sk_buff *skb, struct net *net, u32 pid, u32 group,
+ struct nlmsghdr *nlh, gfp_t flags)
{
struct sock *rtnl = net->rtnl;
int report = 0;
@@ -464,7 +464,7 @@ int rtnl_notify(struct sk_buff *skb, struct net *net, u32 pid, u32 group,
if (nlh)
report = nlmsg_report(nlh);
- return nlmsg_notify(rtnl, skb, pid, group, report, flags);
+ nlmsg_notify(rtnl, skb, pid, group, report, flags);
}
void rtnl_set_sk_err(struct net *net, u32 group, int error)
@@ -1246,7 +1246,8 @@ void rtmsg_ifinfo(int type, struct net_device *dev, unsigned change)
kfree_skb(skb);
goto errout;
}
- err = rtnl_notify(skb, net, 0, RTNLGRP_LINK, NULL, GFP_KERNEL);
+ rtnl_notify(skb, net, 0, RTNLGRP_LINK, NULL, GFP_KERNEL);
+ return;
errout:
if (err < 0)
rtnl_set_sk_err(net, RTNLGRP_LINK, err);
diff --git a/net/decnet/dn_dev.c b/net/decnet/dn_dev.c
index daf2b98..e457769 100644
--- a/net/decnet/dn_dev.c
+++ b/net/decnet/dn_dev.c
@@ -769,7 +769,8 @@ static void dn_ifaddr_notify(int event, struct dn_ifaddr *ifa)
kfree_skb(skb);
goto errout;
}
- err = rtnl_notify(skb, &init_net, 0, RTNLGRP_DECnet_IFADDR, NULL, GFP_KERNEL);
+ rtnl_notify(skb, &init_net, 0, RTNLGRP_DECnet_IFADDR, NULL, GFP_KERNEL);
+ return;
errout:
if (err < 0)
rtnl_set_sk_err(&init_net, RTNLGRP_DECnet_IFADDR, err);
diff --git a/net/decnet/dn_table.c b/net/decnet/dn_table.c
index 69ad928..67054b0 100644
--- a/net/decnet/dn_table.c
+++ b/net/decnet/dn_table.c
@@ -375,7 +375,8 @@ static void dn_rtmsg_fib(int event, struct dn_fib_node *f, int z, u32 tb_id,
kfree_skb(skb);
goto errout;
}
- err = rtnl_notify(skb, &init_net, pid, RTNLGRP_DECnet_ROUTE, nlh, GFP_KERNEL);
+ rtnl_notify(skb, &init_net, pid, RTNLGRP_DECnet_ROUTE, nlh, GFP_KERNEL);
+ return;
errout:
if (err < 0)
rtnl_set_sk_err(&init_net, RTNLGRP_DECnet_ROUTE, err);
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index d519a6a..126bb91 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -1216,7 +1216,8 @@ static void rtmsg_ifa(int event, struct in_ifaddr *ifa, struct nlmsghdr *nlh,
kfree_skb(skb);
goto errout;
}
- err = rtnl_notify(skb, net, pid, RTNLGRP_IPV4_IFADDR, nlh, GFP_KERNEL);
+ rtnl_notify(skb, net, pid, RTNLGRP_IPV4_IFADDR, nlh, GFP_KERNEL);
+ return;
errout:
if (err < 0)
rtnl_set_sk_err(net, RTNLGRP_IPV4_IFADDR, err);
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index 4817dea..f831df5 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -322,8 +322,9 @@ void rtmsg_fib(int event, __be32 key, struct fib_alias *fa,
kfree_skb(skb);
goto errout;
}
- err = rtnl_notify(skb, info->nl_net, info->pid, RTNLGRP_IPV4_ROUTE,
- info->nlh, GFP_KERNEL);
+ rtnl_notify(skb, info->nl_net, info->pid, RTNLGRP_IPV4_ROUTE,
+ info->nlh, GFP_KERNEL);
+ return;
errout:
if (err < 0)
rtnl_set_sk_err(info->nl_net, RTNLGRP_IPV4_ROUTE, err);
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 03e2a1a..f8f76d6 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -3638,7 +3638,8 @@ static void inet6_ifa_notify(int event, struct inet6_ifaddr *ifa)
kfree_skb(skb);
goto errout;
}
- err = rtnl_notify(skb, net, 0, RTNLGRP_IPV6_IFADDR, NULL, GFP_ATOMIC);
+ rtnl_notify(skb, net, 0, RTNLGRP_IPV6_IFADDR, NULL, GFP_ATOMIC);
+ return;
errout:
if (err < 0)
rtnl_set_sk_err(net, RTNLGRP_IPV6_IFADDR, err);
@@ -3849,7 +3850,8 @@ void inet6_ifinfo_notify(int event, struct inet6_dev *idev)
kfree_skb(skb);
goto errout;
}
- err = rtnl_notify(skb, net, 0, RTNLGRP_IPV6_IFADDR, NULL, GFP_ATOMIC);
+ rtnl_notify(skb, net, 0, RTNLGRP_IPV6_IFADDR, NULL, GFP_ATOMIC);
+ return;
errout:
if (err < 0)
rtnl_set_sk_err(net, RTNLGRP_IPV6_IFADDR, err);
@@ -3919,7 +3921,8 @@ static void inet6_prefix_notify(int event, struct inet6_dev *idev,
kfree_skb(skb);
goto errout;
}
- err = rtnl_notify(skb, net, 0, RTNLGRP_IPV6_PREFIX, NULL, GFP_ATOMIC);
+ rtnl_notify(skb, net, 0, RTNLGRP_IPV6_PREFIX, NULL, GFP_ATOMIC);
+ return;
errout:
if (err < 0)
rtnl_set_sk_err(net, RTNLGRP_IPV6_PREFIX, err);
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 3cd83b8..9f061d1 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -1095,11 +1095,7 @@ static void ndisc_ra_useropt(struct sk_buff *ra, struct nd_opt_hdr *opt)
&ipv6_hdr(ra)->saddr);
nlmsg_end(skb, nlh);
- err = rtnl_notify(skb, net, 0, RTNLGRP_ND_USEROPT, NULL,
- GFP_ATOMIC);
- if (err < 0)
- goto errout;
-
+ rtnl_notify(skb, net, 0, RTNLGRP_ND_USEROPT, NULL, GFP_ATOMIC);
return;
nla_put_failure:
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index c3d486a..1394ddb 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -2400,8 +2400,9 @@ void inet6_rt_notify(int event, struct rt6_info *rt, struct nl_info *info)
kfree_skb(skb);
goto errout;
}
- err = rtnl_notify(skb, net, info->pid, RTNLGRP_IPV6_ROUTE,
- info->nlh, gfp_any());
+ rtnl_notify(skb, net, info->pid, RTNLGRP_IPV6_ROUTE,
+ info->nlh, gfp_any());
+ return;
errout:
if (err < 0)
rtnl_set_sk_err(net, RTNLGRP_IPV6_ROUTE, err);
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index ed587be..2760b62 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -1760,12 +1760,18 @@ int nlmsg_notify(struct sock *sk, struct sk_buff *skb, u32 pid,
exclude_pid = pid;
}
- /* errors reported via destination sk->sk_err */
- nlmsg_multicast(sk, skb, exclude_pid, group, flags);
+ /* errors reported via destination sk->sk_err, but propagate
+ * delivery errors if NETLINK_BROADCAST_ERROR flag is set */
+ err = nlmsg_multicast(sk, skb, exclude_pid, group, flags);
}
- if (report)
- err = nlmsg_unicast(sk, skb, pid);
+ if (report) {
+ int err2;
+
+ err2 = nlmsg_unicast(sk, skb, pid);
+ if (!err || err == -ESRCH)
+ err = err2;
+ }
return err;
}
diff --git a/net/phonet/pn_netlink.c b/net/phonet/pn_netlink.c
index 1ceea1f..cec4e59 100644
--- a/net/phonet/pn_netlink.c
+++ b/net/phonet/pn_netlink.c
@@ -47,8 +47,9 @@ static void rtmsg_notify(int event, struct net_device *dev, u8 addr)
kfree_skb(skb);
goto errout;
}
- err = rtnl_notify(skb, dev_net(dev), 0,
- RTNLGRP_PHONET_IFADDR, NULL, GFP_KERNEL);
+ rtnl_notify(skb, dev_net(dev), 0,
+ RTNLGRP_PHONET_IFADDR, NULL, GFP_KERNEL);
+ return;
errout:
if (err < 0)
rtnl_set_sk_err(dev_net(dev), RTNLGRP_PHONET_IFADDR, err);
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