[NETLINK]: Set correct pid for ioctl originating netlink events

This patch ensures that netlink events created as a result of programns
using ioctls (such as ifconfig, route etc) contains the correct PID of
those events.
 
Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>

4 files changed, 7 insertions, 7 deletions

diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 63bd88665182..e013d836a7ab 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -452,7 +452,7 @@ void rtmsg_ifinfo(int type, struct net_device *dev, unsigned change)
         if (!skb)
                 return;
 
-        if (rtnetlink_fill_ifinfo(skb, dev, type, 0, 0, change, 0) < 0) {
+        if (rtnetlink_fill_ifinfo(skb, dev, type, current->pid, 0, change, 0) < 0) {
                 kfree_skb(skb);
                 return;
         }
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index fd47a1e890fa..650dcb12d9a1 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -1112,7 +1112,7 @@ static void rtmsg_ifa(int event, struct in_ifaddr* ifa)
 
         if (!skb)
                 netlink_set_err(rtnl, 0, RTMGRP_IPV4_IFADDR, ENOBUFS);
-        else if (inet_fill_ifaddr(skb, ifa, 0, 0, event, 0) < 0) {
+        else if (inet_fill_ifaddr(skb, ifa, current->pid, 0, event, 0) < 0) {
                 kfree_skb(skb);
                 netlink_set_err(rtnl, 0, RTMGRP_IPV4_IFADDR, EINVAL);
         } else {
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index a9a44b4bef46..c886b28ba9f5 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -276,7 +276,7 @@ void rtmsg_fib(int event, u32 key, struct fib_alias *fa,
                struct nlmsghdr *n, struct netlink_skb_parms *req)
 {
         struct sk_buff *skb;
-        u32 pid = req ? req->pid : 0;
+        u32 pid = req ? req->pid : n->nlmsg_pid;
         int size = NLMSG_SPACE(sizeof(struct rtmsg)+256);
 
         skb = alloc_skb(size, GFP_KERNEL);
@@ -1035,7 +1035,7 @@ fib_convert_rtentry(int cmd, struct nlmsghdr *nl, struct rtmsg *rtm,
         }
 
         nl->nlmsg_flags = NLM_F_REQUEST;
-        nl->nlmsg_pid = 0;
+        nl->nlmsg_pid = current->pid;
         nl->nlmsg_seq = 0;
         nl->nlmsg_len = NLMSG_LENGTH(sizeof(*rtm));
         if (cmd == SIOCDELRT) {
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 4d4cb46f0439..47a30c3188ea 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -2873,7 +2873,7 @@ static void inet6_ifa_notify(int event, struct inet6_ifaddr *ifa)
                 netlink_set_err(rtnl, 0, RTMGRP_IPV6_IFADDR, ENOBUFS);
                 return;
         }
-        if (inet6_fill_ifaddr(skb, ifa, 0, 0, event, 0) < 0) {
+        if (inet6_fill_ifaddr(skb, ifa, current->pid, 0, event, 0) < 0) {
                 kfree_skb(skb);
                 netlink_set_err(rtnl, 0, RTMGRP_IPV6_IFADDR, EINVAL);
                 return;
@@ -3008,7 +3008,7 @@ void inet6_ifinfo_notify(int event, struct inet6_dev *idev)
                 netlink_set_err(rtnl, 0, RTMGRP_IPV6_IFINFO, ENOBUFS);
                 return;
         }
-        if (inet6_fill_ifinfo(skb, idev, 0, 0, event, 0) < 0) {
+        if (inet6_fill_ifinfo(skb, idev, current->pid, 0, event, 0) < 0) {
                 kfree_skb(skb);
                 netlink_set_err(rtnl, 0, RTMGRP_IPV6_IFINFO, EINVAL);
                 return;
@@ -3065,7 +3065,7 @@ static void inet6_prefix_notify(int event, struct inet6_dev *idev,
                 netlink_set_err(rtnl, 0, RTMGRP_IPV6_PREFIX, ENOBUFS);
                 return;
         }
-        if (inet6_fill_prefix(skb, idev, pinfo, 0, 0, event, 0) < 0) {
+        if (inet6_fill_prefix(skb, idev, pinfo, current->pid, 0, event, 0) < 0) {
                 kfree_skb(skb);
                 netlink_set_err(rtnl, 0, RTMGRP_IPV6_PREFIX, EINVAL);
                 return;