From e34c9a69970d8664a36b46e6445a7cc879111cfd Mon Sep 17 00:00:00 2001 From: Hannes Frederic Sowa Date: Sat, 19 Oct 2013 21:48:59 +0200 Subject: net: switch net_secret key generation to net_get_random_once Cc: Eric Dumazet Cc: "David S. Miller" Signed-off-by: Hannes Frederic Sowa Signed-off-by: David S. Miller --- net/core/secure_seq.c | 14 ++------------ 1 file changed, 2 insertions(+), 12 deletions(-) (limited to 'net/core/secure_seq.c') diff --git a/net/core/secure_seq.c b/net/core/secure_seq.c index 3f1ec1586ae1..b02fd16b8942 100644 --- a/net/core/secure_seq.c +++ b/net/core/secure_seq.c @@ -7,6 +7,7 @@ #include #include #include +#include #include @@ -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 -- cgit v1.2.3-59-g8ed1b