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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 <sdumitru@ixiacom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sorin Dumitru 2012-08-30 02:01:45 +00:00 committed by David S. Miller
parent d1a53dfd11
commit eb7e057596
1 changed files with 7 additions and 22 deletions
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29
net/ipv6/addrconf.c
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@ -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