[NETLINK]: Directly return -EINTR from netlink_dump_start()

Now that all users of netlink_dump_start() use netlink_run_queue()
to process the receive queue, it is possible to return -EINTR from
netlink_dump_start() directly, therefore simplying the callers.

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 5 deletions

diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 14241ada41a1..fa5f938b37ee 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -859,7 +859,6 @@ static int rtnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
         int min_len;
         int family;
         int type;
-        int err;
 
         type = nlh->nlmsg_type;
         if (type > RTM_MAX)
@@ -888,10 +887,7 @@ static int rtnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
                 if (dumpit == NULL)
                         return -EINVAL;
 
-                err = netlink_dump_start(rtnl, skb, nlh, dumpit, NULL);
-                if (err == 0)
-                        err = -EINTR;
-                return err;
+                return netlink_dump_start(rtnl, skb, nlh, dumpit, NULL);
         }
 
         memset(rta_buf, 0, (rtattr_max * sizeof(struct rtattr *)));