From eb7e0575966f9c84434e92c8a3f69719cc2e7571 Mon Sep 17 00:00:00 2001 From: Sorin Dumitru Date: Thu, 30 Aug 2012 02:01:45 +0000 Subject: [PATCH] ipv6: remove some deadcode __ipv6_regen_rndid no longer returns anything other than 0 so there's no point in verifying what it returns Signed-off-by: Sorin Dumitru Signed-off-by: David S. Miller --- net/ipv6/addrconf.c | 29 +++++++---------------------- 1 file changed, 7 insertions(+), 22 deletions(-) diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 6bc85f7..055627f 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -127,8 +127,8 @@ static inline void addrconf_sysctl_unregister(struct inet6_dev *idev) #endif #ifdef CONFIG_IPV6_PRIVACY -static int __ipv6_regen_rndid(struct inet6_dev *idev); -static int __ipv6_try_regen_rndid(struct inet6_dev *idev, struct in6_addr *tmpaddr); +static void __ipv6_regen_rndid(struct inet6_dev *idev); +static void __ipv6_try_regen_rndid(struct inet6_dev *idev, struct in6_addr *tmpaddr); static void ipv6_regen_rndid(unsigned long data); #endif @@ -852,16 +852,7 @@ retry: } in6_ifa_hold(ifp); memcpy(addr.s6_addr, ifp->addr.s6_addr, 8); - if (__ipv6_try_regen_rndid(idev, tmpaddr) < 0) { - spin_unlock_bh(&ifp->lock); - write_unlock(&idev->lock); - pr_warn("%s: regeneration of randomized interface id failed\n", - __func__); - in6_ifa_put(ifp); - in6_dev_put(idev); - ret = -1; - goto out; - } + __ipv6_try_regen_rndid(idev, tmpaddr); memcpy(&addr.s6_addr[8], idev->rndid, 8); age = (now - ifp->tstamp) / HZ; tmp_valid_lft = min_t(__u32, @@ -1600,7 +1591,7 @@ static int ipv6_inherit_eui64(u8 *eui, struct inet6_dev *idev) #ifdef CONFIG_IPV6_PRIVACY /* (re)generation of randomized interface identifier (RFC 3041 3.2, 3.5) */ -static int __ipv6_regen_rndid(struct inet6_dev *idev) +static void __ipv6_regen_rndid(struct inet6_dev *idev) { regen: get_random_bytes(idev->rndid, sizeof(idev->rndid)); @@ -1627,8 +1618,6 @@ regen: if ((idev->rndid[2]|idev->rndid[3]|idev->rndid[4]|idev->rndid[5]|idev->rndid[6]|idev->rndid[7]) == 0x00) goto regen; } - - return 0; } static void ipv6_regen_rndid(unsigned long data) @@ -1642,8 +1631,7 @@ static void ipv6_regen_rndid(unsigned long data) if (idev->dead) goto out; - if (__ipv6_regen_rndid(idev) < 0) - goto out; + __ipv6_regen_rndid(idev); expires = jiffies + idev->cnf.temp_prefered_lft * HZ - @@ -1664,13 +1652,10 @@ out: in6_dev_put(idev); } -static int __ipv6_try_regen_rndid(struct inet6_dev *idev, struct in6_addr *tmpaddr) +static void __ipv6_try_regen_rndid(struct inet6_dev *idev, struct in6_addr *tmpaddr) { - int ret = 0; - if (tmpaddr && memcmp(idev->rndid, &tmpaddr->s6_addr[8], 8) == 0) - ret = __ipv6_regen_rndid(idev); - return ret; + __ipv6_regen_rndid(idev); } #endif -- 2.7.4