[IPV4]: Apply sysctl_icmp_echo_ignore_broadcasts to ICMP_TIMESTAMP as well.

This was the full intention of the original code.

Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c
index cb75948..279f57a 100644 (file)
--- a/net/ipv4/icmp.c
+++ b/net/ipv4/icmp.c
@@ -970,7 +970,8 @@ int icmp_rcv(struct sk_buff *skb)
                 *      RFC 1122: 3.2.2.8 An ICMP_TIMESTAMP MAY be silently
                 *        discarded if to broadcast/multicast.
                 */
-               if (icmph->type == ICMP_ECHO &&
+               if ((icmph->type == ICMP_ECHO ||
+                    icmph->type == ICMP_TIMESTAMP) &&
                    sysctl_icmp_echo_ignore_broadcasts) {
                        goto error;
                }