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-rw-r--r--net/dcb/dcbnl.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/dcb/dcbnl.c b/net/dcb/dcbnl.c
index 084e159a12ba..7d49b6fd6cef 100644
--- a/net/dcb/dcbnl.c
+++ b/net/dcb/dcbnl.c
@@ -1765,6 +1765,8 @@ static int dcb_doit(struct sk_buff *skb, struct nlmsghdr *nlh,
fn = &reply_funcs[dcb->cmd];
if (!fn->cb)
return -EOPNOTSUPP;
+ if (fn->type != nlh->nlmsg_type)
+ return -EPERM;
if (!tb[DCB_ATTR_IFNAME])
return -EINVAL;