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Date: Fri, 27 Sep 2013 01:32:23 +0200 From: Hannes Frederic Sowa <hannes@...essinduktion.org> To: netdev@...r.kernel.org Cc: Hannes Frederic Sowa <hannes@...essinduktion.org>, Eric Dumazet <edumazet@...gle.com>, "David S. Miller" <davem@...emloft.net> Subject: [PATCH net-next 7/7] net: switch net_secret key generation to net_get_random_once Cc: Eric Dumazet <edumazet@...gle.com> Cc: "David S. Miller" <davem@...emloft.net> Signed-off-by: Hannes Frederic Sowa <hannes@...essinduktion.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 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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