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Subject[PATCH 24/29] net/ipv6: rename net_random() to prandom_u32()
Date
Use more preferable function name which implies using a pseudo-random
number generator.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
Cc: James Morris <jmorris@namei.org>
Cc: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
Cc: Patrick McHardy <kaber@trash.net>
Cc: netdev@vger.kernel.org
---
net/ipv6/addrconf.c | 4 ++--
net/ipv6/ip6_flowlabel.c | 2 +-
net/ipv6/mcast.c | 8 ++++----
3 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 408cac4a..314b134 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -3038,7 +3038,7 @@ static void addrconf_dad_kick(struct inet6_ifaddr *ifp)
if (ifp->flags & IFA_F_OPTIMISTIC)
rand_num = 0;
else
- rand_num = net_random() % (idev->cnf.rtr_solicit_delay ? : 1);
+ rand_num = prandom_u32() % (idev->cnf.rtr_solicit_delay ? : 1);

ifp->probes = idev->cnf.dad_transmits;
addrconf_mod_timer(ifp, AC_DAD, rand_num);
@@ -3051,7 +3051,7 @@ static void addrconf_dad_start(struct inet6_ifaddr *ifp)

addrconf_join_solict(dev, &ifp->addr);

- net_srandom(ifp->addr.s6_addr32[3]);
+ prandom_seed((__force u32)ifp->addr.s6_addr32[3]);

read_lock_bh(&idev->lock);
spin_lock(&ifp->lock);
diff --git a/net/ipv6/ip6_flowlabel.c b/net/ipv6/ip6_flowlabel.c
index 29124b7..313f8bf 100644
--- a/net/ipv6/ip6_flowlabel.c
+++ b/net/ipv6/ip6_flowlabel.c
@@ -191,7 +191,7 @@ static struct ip6_flowlabel *fl_intern(struct net *net,
write_lock_bh(&ip6_fl_lock);
if (label == 0) {
for (;;) {
- fl->label = htonl(net_random())&IPV6_FLOWLABEL_MASK;
+ fl->label = htonl(prandom_u32()) & IPV6_FLOWLABEL_MASK;
if (fl->label) {
lfl = __fl_lookup(net, fl->label);
if (lfl == NULL)
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index 28dfa5f..71af892 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -1006,7 +1006,7 @@ bool ipv6_chk_mcast_addr(struct net_device *dev, const struct in6_addr *group,

static void mld_gq_start_timer(struct inet6_dev *idev)
{
- int tv = net_random() % idev->mc_maxdelay;
+ int tv = prandom_u32() % idev->mc_maxdelay;

idev->mc_gq_running = 1;
if (!mod_timer(&idev->mc_gq_timer, jiffies+tv+2))
@@ -1015,7 +1015,7 @@ static void mld_gq_start_timer(struct inet6_dev *idev)

static void mld_ifc_start_timer(struct inet6_dev *idev, int delay)
{
- int tv = net_random() % delay;
+ int tv = prandom_u32() % delay;

if (!mod_timer(&idev->mc_ifc_timer, jiffies+tv+2))
in6_dev_hold(idev);
@@ -1041,7 +1041,7 @@ static void igmp6_group_queried(struct ifmcaddr6 *ma, unsigned long resptime)

if (delay >= resptime) {
if (resptime)
- delay = net_random() % resptime;
+ delay = prandom_u32() % resptime;
else
delay = 1;
}
@@ -2102,7 +2102,7 @@ static void igmp6_join_group(struct ifmcaddr6 *ma)

igmp6_send(&ma->mca_addr, ma->idev->dev, ICMPV6_MGM_REPORT);

- delay = net_random() % IGMP6_UNSOLICITED_IVAL;
+ delay = prandom_u32() % IGMP6_UNSOLICITED_IVAL;

spin_lock_bh(&ma->mca_lock);
if (del_timer(&ma->mca_timer)) {
--
1.7.11.7


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