Merge tag 'platform-drivers-x86-v4.12-2' of git://git.infradead.org/linux-platform...

[karo-tx-linux.git] / net / ipv4 / fib_frontend.c

diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 39bd1edee67649af86eb582c0ea478713360a506..83e3ed258467dbfd620bd27d48a0b33f5ef7a067 100644 (file)
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -763,7 +763,7 @@ static int inet_dump_fib(struct sk_buff *skb, struct netlink_callback *cb)
        unsigned int e = 0, s_e;
        struct fib_table *tb;
        struct hlist_head *head;
-       int dumped = 0;
+       int dumped = 0, err;
 
        if (nlmsg_len(cb->nlh) >= sizeof(struct rtmsg) &&
            ((struct rtmsg *) nlmsg_data(cb->nlh))->rtm_flags & RTM_F_CLONED)
@@ -783,20 +783,27 @@ static int inet_dump_fib(struct sk_buff *skb, struct netlink_callback *cb)
                        if (dumped)
                                memset(&cb->args[2], 0, sizeof(cb->args) -
                                                 2 * sizeof(cb->args[0]));
-                       if (fib_table_dump(tb, skb, cb) < 0)
-                               goto out;
+                       err = fib_table_dump(tb, skb, cb);
+                       if (err < 0) {
+                               if (likely(skb->len))
+                                       goto out;
+
+                               goto out_err;
+                       }
                        dumped = 1;
 next:
                        e++;
                }
        }
 out:
+       err = skb->len;
+out_err:
        rcu_read_unlock();
 
        cb->args[1] = e;
        cb->args[0] = h;
 
-       return skb->len;
+       return err;
 }
 
 /* Prepare and feed intra-kernel routing request.