diff options
Diffstat (limited to 'net/core/rtnetlink.c')
| -rw-r--r-- | net/core/rtnetlink.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 48f61885fd6f..5ea1bed08ede 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -4104,6 +4104,11 @@ static int rtnl_fdb_get(struct sk_buff *in_skb, struct nlmsghdr *nlh, if (err < 0) return err; + if (!addr) { + NL_SET_ERR_MSG(extack, "Missing lookup address for fdb get request"); + return -EINVAL; + } + if (brport_idx) { dev = __dev_get_by_index(net, brport_idx); if (!dev) { |