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authorSorin Dumitru <sdumitru@ixiacom.com>2012-08-30 02:01:45 +0000
committerDavid S. Miller <davem@davemloft.net>2012-08-31 16:33:32 -0400
commiteb7e0575966f9c84434e92c8a3f69719cc2e7571 (patch)
treed59f919510bc1219d79f7229b44e8e6a2e754096 /net/ipv6/addrconf.c
parentd1a53dfd114a6c53464de116cdab88d934bfe92f (diff)
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>
Diffstat (limited to 'net/ipv6/addrconf.c')
-rw-r--r--net/ipv6/addrconf.c29
1 files changed, 7 insertions, 22 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 6bc85f7c31e3..055627f6df22 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