[NETFILTER]: Fix CTA_PROTO_NUM attribute size in ctnetlink

CTA_PROTO_NUM is a u_int8_t.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 2 deletions

diff --git a/net/ipv4/netfilter/ip_conntrack_netlink.c b/net/ipv4/netfilter/ip_conntrack_netlink.c
index 70402e0ed00a..d058ac41bfd3 100644
--- a/net/ipv4/netfilter/ip_conntrack_netlink.c
+++ b/net/ipv4/netfilter/ip_conntrack_netlink.c
@@ -503,7 +503,7 @@ ctnetlink_parse_tuple_ip(struct nfattr *attr, struct ip_conntrack_tuple *tuple)
 }
 
 static const size_t cta_min_proto[CTA_PROTO_MAX] = {
-        [CTA_PROTO_NUM-1]       = sizeof(u_int16_t),
+        [CTA_PROTO_NUM-1]       = sizeof(u_int8_t),
         [CTA_PROTO_SRC_PORT-1]  = sizeof(u_int16_t),
         [CTA_PROTO_DST_PORT-1]  = sizeof(u_int16_t),
         [CTA_PROTO_ICMP_TYPE-1] = sizeof(u_int8_t),
@@ -528,7 +528,7 @@ ctnetlink_parse_tuple_proto(struct nfattr *attr,
 
         if (!tb[CTA_PROTO_NUM-1])
                 return -EINVAL;
-        tuple->dst.protonum = *(u_int16_t *)NFA_DATA(tb[CTA_PROTO_NUM-1]);
+        tuple->dst.protonum = *(u_int8_t *)NFA_DATA(tb[CTA_PROTO_NUM-1]);
 
         proto = ip_conntrack_proto_find_get(tuple->dst.protonum);