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>

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 6bc85f7c31e3c58a01a6d1aa351cd827584fad24..055627f6df22f76b8f568687366a6fafdd639eaf 100644 (file)
--- 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