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From: Akinobu Mita <akinobu.mita@gmail.com>
To: linux-kernel@vger.kernel.org, akpm@linux-foundation.org
Cc: Akinobu Mita <akinobu.mita@gmail.com>
Subject: [PATCH 2/9] uuid: use random32_get_bytes()
Date: Sun, 28 Oct 2012 16:18:59 +0900	[thread overview]
Message-ID: <1351408746-8623-2-git-send-email-akinobu.mita@gmail.com> (raw)
In-Reply-To: <1351408746-8623-1-git-send-email-akinobu.mita@gmail.com>

Use random32_get_bytes() to generate 16 bytes of pseudo-random bytes.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
---
 lib/uuid.c | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/lib/uuid.c b/lib/uuid.c
index 52a6fe6..697f867 100644
--- a/lib/uuid.c
+++ b/lib/uuid.c
@@ -25,13 +25,7 @@
 
 static void __uuid_gen_common(__u8 b[16])
 {
-	int i;
-	u32 r;
-
-	for (i = 0; i < 4; i++) {
-		r = random32();
-		memcpy(b + i * 4, &r, 4);
-	}
+	random32_get_bytes(b, 16);
 	/* reversion 0b10 */
 	b[8] = (b[8] & 0x3F) | 0x80;
 }
-- 
1.7.11.7


  reply	other threads:[~2012-10-28  7:19 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-10-28  7:18 [PATCH 1/9] random32: introduce random32_get_bytes() and prandom32_get_bytes() Akinobu Mita
2012-10-28  7:18 ` Akinobu Mita [this message]
2012-10-29 20:52   ` [PATCH 2/9] uuid: use random32_get_bytes() Theodore Ts'o
2012-10-30  1:49     ` Huang Ying
2012-10-30  4:48       ` Theodore Ts'o
2012-10-31  1:35         ` Huang Ying
2012-10-31  2:38           ` Theodore Ts'o
2012-10-31  3:06             ` Huang Ying
2012-10-28  7:19 ` [PATCH 3/9] mtd: mtd_nandecctest: use random32_get_bytes instead of get_random_bytes() Akinobu Mita
2012-10-28  7:19 ` [PATCH 4/9] mtd: nandsim: use random32_get_bytes Akinobu Mita
2012-10-28  7:19 ` [PATCH 5/9] ubifs: " Akinobu Mita
2012-10-28  7:19 ` [PATCH 6/9] mtd: mtd_oobtest: convert to use prandom32_get_bytes() Akinobu Mita
2012-10-28  7:19 ` [PATCH 7/9] mtd: mtd_pagetest: " Akinobu Mita
2012-10-28  7:19 ` [PATCH 8/9] mtd: mtd_speedtest: use random32_get_bytes Akinobu Mita
2012-10-28  7:19 ` [PATCH 9/9] mtd: mtd_subpagetest: convert to use prandom32_get_bytes() Akinobu Mita
2012-10-29 20:39 ` [PATCH 1/9] random32: introduce random32_get_bytes() and prandom32_get_bytes() Theodore Ts'o
2012-10-30 11:01   ` Akinobu Mita
2012-10-30 11:12     ` Akinobu Mita
2012-10-31  3:29       ` Theodore Ts'o
2012-10-31 11:53         ` Akinobu Mita

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