Commit e34c9a69 authored by Hannes Frederic Sowa's avatar Hannes Frederic Sowa Committed by David S. Miller

net: switch net_secret key generation to net_get_random_once

Cc: Eric Dumazet <edumazet@google.com>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: default avatarHannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 222e83d2
...@@ -7,6 +7,7 @@ ...@@ -7,6 +7,7 @@
#include <linux/hrtimer.h> #include <linux/hrtimer.h>
#include <linux/ktime.h> #include <linux/ktime.h>
#include <linux/string.h> #include <linux/string.h>
#include <linux/net.h>
#include <net/secure_seq.h> #include <net/secure_seq.h>
...@@ -16,18 +17,7 @@ static u32 net_secret[NET_SECRET_SIZE] ____cacheline_aligned; ...@@ -16,18 +17,7 @@ static u32 net_secret[NET_SECRET_SIZE] ____cacheline_aligned;
static void net_secret_init(void) static void net_secret_init(void)
{ {
u32 tmp; net_get_random_once(net_secret, sizeof(net_secret));
int i;
if (likely(net_secret[0]))
return;
for (i = NET_SECRET_SIZE; i > 0;) {
do {
get_random_bytes(&tmp, sizeof(tmp));
} while (!tmp);
cmpxchg(&net_secret[--i], 0, tmp);
}
} }
#ifdef CONFIG_INET #ifdef CONFIG_INET
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment