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-rw-r--r--net/core/rtnetlink.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 33d9227a8b80..7819f7804eeb 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -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)