Merge tag 'iio-fixes-for-4.20a' of git://git.kernel.org/pub/scm/linux/kernel/git...

[linux.git] / net / core / rtnetlink.c

diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index f679c7a7d761a60b22f733a443e77b54cb51595f..e01274bd5e3e21addd346a887e24e2c709ef44c9 100644 (file)
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -3600,6 +3600,11 @@ static int rtnl_fdb_add(struct sk_buff *skb, struct nlmsghdr *nlh,
                return -EINVAL;
        }
 
+       if (dev->type != ARPHRD_ETHER) {
+               NL_SET_ERR_MSG(extack, "FDB add only supported for Ethernet devices");
+               return -EINVAL;
+       }
+
        addr = nla_data(tb[NDA_LLADDR]);
 
        err = fdb_vid_parse(tb[NDA_VLAN], &vid, extack);
@@ -3704,6 +3709,11 @@ static int rtnl_fdb_del(struct sk_buff *skb, struct nlmsghdr *nlh,
                return -EINVAL;
        }
 
+       if (dev->type != ARPHRD_ETHER) {
+               NL_SET_ERR_MSG(extack, "FDB delete only supported for Ethernet devices");
+               return -EINVAL;
+       }
+
        addr = nla_data(tb[NDA_LLADDR]);
 
        err = fdb_vid_parse(tb[NDA_VLAN], &vid, extack);