From 2807a9feb2393648f4db114fdf3fa99860ff6a36 Mon Sep 17 00:00:00 2001 From: Veaceslav Falico Date: Thu, 15 May 2014 21:39:56 +0200 Subject: [PATCH] bonding: make IS_IP_TARGET_UNUSABLE_ADDRESS an inline function Also, use standard IP primitives to check the address. CC: Jay Vosburgh CC: Andy Gospodarek Signed-off-by: Veaceslav Falico Signed-off-by: David S. Miller --- drivers/net/bonding/bond_main.c | 2 +- drivers/net/bonding/bond_options.c | 4 ++-- drivers/net/bonding/bonding.h | 8 +++++--- 3 files changed, 8 insertions(+), 6 deletions(-) diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 744c47111045..1af2be53ebb5 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -4195,7 +4195,7 @@ static int bond_check_params(struct bond_params *params) catch mistakes */ __be32 ip; if (!in4_pton(arp_ip_target[i], -1, (u8 *)&ip, -1, NULL) || - IS_IP_TARGET_UNUSABLE_ADDRESS(ip)) { + !bond_is_ip_target_ok(ip)) { pr_warn("Warning: bad arp_ip_target module parameter (%s), ARP monitoring will not be performed\n", arp_ip_target[i]); arp_interval = 0; diff --git a/drivers/net/bonding/bond_options.c b/drivers/net/bonding/bond_options.c index dd7292fa4665..0cf4c1a9bb7b 100644 --- a/drivers/net/bonding/bond_options.c +++ b/drivers/net/bonding/bond_options.c @@ -942,7 +942,7 @@ static int _bond_option_arp_ip_target_add(struct bonding *bond, __be32 target) __be32 *targets = bond->params.arp_targets; int ind; - if (IS_IP_TARGET_UNUSABLE_ADDRESS(target)) { + if (!bond_is_ip_target_ok(target)) { pr_err("%s: invalid ARP target %pI4 specified for addition\n", bond->dev->name, &target); return -EINVAL; @@ -987,7 +987,7 @@ static int bond_option_arp_ip_target_rem(struct bonding *bond, __be32 target) unsigned long *targets_rx; int ind, i; - if (IS_IP_TARGET_UNUSABLE_ADDRESS(target)) { + if (!bond_is_ip_target_ok(target)) { pr_err("%s: invalid ARP target %pI4 specified for removal\n", bond->dev->name, &target); return -EINVAL; diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h index bb663a4db137..ac75b0fbf768 100644 --- a/drivers/net/bonding/bonding.h +++ b/drivers/net/bonding/bonding.h @@ -54,9 +54,6 @@ ((slave)->link == BOND_LINK_UP) && \ bond_is_active_slave(slave)) -#define IS_IP_TARGET_UNUSABLE_ADDRESS(a) \ - ((htonl(INADDR_BROADCAST) == a) || \ - ipv4_is_zeronet(a)) /* * Less bad way to call ioctl from within the kernel; this needs to be * done some other way to get the call out of interrupt context. @@ -406,6 +403,11 @@ static inline int slave_do_arp_validate_only(struct bonding *bond) return bond->params.arp_validate & BOND_ARP_FILTER; } +static inline int bond_is_ip_target_ok(__be32 addr) +{ + return !ipv4_is_lbcast(addr) && !ipv4_is_zeronet(addr); +} + /* Get the oldest arp which we've received on this slave for bond's * arp_targets. */ -- 2.20.1