1 files changed, 4 insertions, 1 deletions

diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index e01274bd5e3e..7819f7804eeb 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -3367,7 +3367,7 @@ static int rtnl_dump_all(struct sk_buff *skb, struct netlink_callback *cb)
                         cb->seq = 0;
                 }
                 ret = dumpit(skb, cb);
-                if (ret < 0)
+                if (ret)
                         break;
         }
         cb->family = idx;
@@ -3800,6 +3800,9 @@ int ndo_dflt_fdb_dump(struct sk_buff *skb,
 {
         int err;
 
+        if (dev->type != ARPHRD_ETHER)
+                return -EINVAL;
+
         netif_addr_lock_bh(dev);
         err = nlmsg_populate_fdb(skb, cb, dev, idx, &dev->uc);
         if (err)