lkml.org 
[lkml]   [2013]   [Oct]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH net-next v4 9/9] net: switch net_secret key generation to net_get_random_once
Date
Cc: Eric Dumazet <edumazet@google.com>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
---
net/core/secure_seq.c | 14 ++------------
1 file changed, 2 insertions(+), 12 deletions(-)

diff --git a/net/core/secure_seq.c b/net/core/secure_seq.c
index 3f1ec15..b02fd16 100644
--- a/net/core/secure_seq.c
+++ b/net/core/secure_seq.c
@@ -7,6 +7,7 @@
#include <linux/hrtimer.h>
#include <linux/ktime.h>
#include <linux/string.h>
+#include <linux/net.h>

#include <net/secure_seq.h>

@@ -16,18 +17,7 @@ static u32 net_secret[NET_SECRET_SIZE] ____cacheline_aligned;

static void net_secret_init(void)
{
- u32 tmp;
- 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);
- }
+ net_get_random_once(net_secret, sizeof(net_secret));
}

#ifdef CONFIG_INET
--
1.8.3.1


\
 
 \ /
  Last update: 2013-10-19 22:01    [W:0.101 / U:0.884 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site