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Subject[PATCH 23/29] net/ipv4: 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/ipv4/devinet.c | 2 +-
net/ipv4/igmp.c | 6 +++---
net/ipv4/inet_connection_sock.c | 2 +-
net/ipv4/udp.c | 2 +-
4 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index cc06a47..e849a5e 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -453,7 +453,7 @@ static int __inet_insert_ifa(struct in_ifaddr *ifa, struct nlmsghdr *nlh,
}

if (!(ifa->ifa_flags & IFA_F_SECONDARY)) {
- net_srandom(ifa->ifa_local);
+ prandom_seed((__force u32)ifa->ifa_local);
ifap = last_primary;
}

diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 736ab70..8506a7c 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -186,7 +186,7 @@ static void igmp_stop_timer(struct ip_mc_list *im)
/* It must be called with locked im->lock */
static void igmp_start_timer(struct ip_mc_list *im, int max_delay)
{
- int tv = net_random() % max_delay;
+ int tv = prandom_u32() % max_delay;

im->tm_running = 1;
if (!mod_timer(&im->timer, jiffies+tv+2))
@@ -195,7 +195,7 @@ static void igmp_start_timer(struct ip_mc_list *im, int max_delay)

static void igmp_gq_start_timer(struct in_device *in_dev)
{
- int tv = net_random() % in_dev->mr_maxdelay;
+ int tv = prandom_u32() % in_dev->mr_maxdelay;

in_dev->mr_gq_running = 1;
if (!mod_timer(&in_dev->mr_gq_timer, jiffies+tv+2))
@@ -204,7 +204,7 @@ static void igmp_gq_start_timer(struct in_device *in_dev)

static void igmp_ifc_start_timer(struct in_device *in_dev, int delay)
{
- int tv = net_random() % delay;
+ int tv = prandom_u32() % delay;

if (!mod_timer(&in_dev->mr_ifc_timer, jiffies+tv+2))
in_dev_hold(in_dev);
diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index d0670f0..f43fc82 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -114,7 +114,7 @@ int inet_csk_get_port(struct sock *sk, unsigned short snum)
again:
inet_get_local_port_range(&low, &high);
remaining = (high - low) + 1;
- smallest_rover = rover = net_random() % remaining + low;
+ smallest_rover = rover = prandom_u32() % remaining + low;

smallest_size = -1;
do {
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 79c8dbe..ca6cfbb 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -215,7 +215,7 @@ int udp_lib_get_port(struct sock *sk, unsigned short snum,
inet_get_local_port_range(&low, &high);
remaining = (high - low) + 1;

- rand = net_random();
+ rand = prandom_u32();
first = (((u64)rand * remaining) >> 32) + low;
/*
* force rand to be an odd multiple of UDP_HTABLE_SIZE
--
1.7.11.7


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