Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
  igmp: Avoid zero delay when receiving odd mixture of IGMP queries
  netdev: make net_device_ops const
  bcm63xx: make ethtool_ops const
  usbnet: make ethtool_ops const
  net: Fix build with INET disabled.
  net: introduce netif_addr_lock_nested() and call if when appropriate
  net: correct lock name in dev_[uc/mc]_sync documentations.
  net: sk_update_clone is only used in net/core/sock.c
  8139cp: fix missing napi_gro_flush.
  pktgen: set correct max and min in pktgen_setup_inject()
  smsc911x: Unconditionally include linux/smscphy.h in smsc911x.h
  asix: fix infinite loop in rx_fixup()
  net: Default UDP and UNIX diag to 'n'.
  r6040: fix typo in use of MCR0 register bits
  net: fix sock_clone reference mismatch with tcp memcontrol

2 files changed, 7 insertions, 1 deletions

diff --git a/net/ipv4/Kconfig b/net/ipv4/Kconfig
index 335ca7abbd46..aa2a2c79776f 100644
--- a/net/ipv4/Kconfig
+++ b/net/ipv4/Kconfig
@@ -408,8 +408,12 @@ config INET_TCP_DIAG
         def_tristate INET_DIAG
 
 config INET_UDP_DIAG
+        tristate "UDP: socket monitoring interface"
         depends on INET_DIAG
-        def_tristate INET_DIAG && IPV6
+        default n
+        ---help---
+          Support for UDP socket monitoring interface used by the ss tool.
+          If unsure, say Y.
 
 menuconfig TCP_CONG_ADVANCED
         bool "TCP: advanced congestion control"
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index fa057d105bef..5104bc0bbdbe 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -880,6 +880,8 @@ static void igmp_heard_query(struct in_device *in_dev, struct sk_buff *skb,
                  * to be intended in a v3 query.
                  */
                 max_delay = IGMPV3_MRC(ih3->code)*(HZ/IGMP_TIMER_SCALE);
+                if (!max_delay)
+                        max_delay = 1;  /* can't mod w/ 0 */
         } else { /* v3 */
                 if (!pskb_may_pull(skb, sizeof(struct igmpv3_query)))
                         return;