From: Akinobu Mita <akinobu.mita@gmail.com>
To: linux-kernel@vger.kernel.org, akpm@linux-foundation.org
Cc: Akinobu Mita <akinobu.mita@gmail.com>,
"Theodore Ts'o" <tytso@mit.edu>,
Huang Ying <ying.huang@intel.com>
Subject: [PATCH -v3 02/23] uuid: use prandom_bytes()
Date: Mon, 4 Mar 2013 21:58:10 +0900 [thread overview]
Message-ID: <1362401911-14074-3-git-send-email-akinobu.mita@gmail.com> (raw)
In-Reply-To: <1362401911-14074-1-git-send-email-akinobu.mita@gmail.com>
Use prandom_bytes() to generate 16 bytes of pseudo-random bytes.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: "Theodore Ts'o" <tytso@mit.edu>
Cc: Huang Ying <ying.huang@intel.com>
---
No change from v2
lib/uuid.c | 8 +-------
1 file changed, 1 insertion(+), 7 deletions(-)
diff --git a/lib/uuid.c b/lib/uuid.c
index 52a6fe6..398821e 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);
- }
+ prandom_bytes(b, 16);
/* reversion 0b10 */
b[8] = (b[8] & 0x3F) | 0x80;
}
--
1.8.1.2
next prev parent reply other threads:[~2013-03-04 13:05 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-04 12:58 [PATCH -v3 00/23] rename random32 to prandom Akinobu Mita
2013-03-04 12:58 ` [PATCH -v3 01/23] raid6test: use prandom_bytes() Akinobu Mita
2013-03-04 12:58 ` Akinobu Mita [this message]
2013-03-04 12:58 ` [PATCH -v3 03/23] x86: pageattr-test: remove srandom32 call Akinobu Mita
2013-03-04 12:58 ` [PATCH -v3 04/23] x86: rename random32() to prandom_u32() Akinobu Mita
2013-03-04 12:58 ` [PATCH -v3 05/23] lib/: " Akinobu Mita
2013-03-04 12:58 ` [PATCH -v3 06/23] mm/: " Akinobu Mita
2013-03-04 12:58 ` [PATCH -v3 07/23] kernel/: " Akinobu Mita
2013-03-04 12:58 ` [PATCH -v3 08/23] drbd: " Akinobu Mita
2013-03-04 12:58 ` [PATCH -v3 09/23] infiniband: " Akinobu Mita
2013-03-04 15:41 ` Steve Wise
2013-03-04 12:58 ` [PATCH -v3 10/23] mmc: " Akinobu Mita
2013-03-04 12:58 ` [PATCH -v3 11/23] video/uvesafb: " Akinobu Mita
2013-03-04 12:58 ` [PATCH -v3 12/23] xfs: " Akinobu Mita
2013-03-07 18:48 ` Ben Myers
2013-03-04 12:58 ` [PATCH -v3 13/23] uwb: " Akinobu Mita
2013-03-04 12:58 ` [PATCH -v3 14/23] lguest: " Akinobu Mita
2013-03-04 12:58 ` [PATCH -v3 15/23] scsi: " Akinobu Mita
2013-03-04 12:58 ` [PATCH -v3 16/23] drivers/net: " Akinobu Mita
2013-03-04 13:37 ` Arend van Spriel
2013-03-04 21:53 ` Akinobu Mita
2013-03-04 12:58 ` [PATCH -v3 17/23] net/sunrpc: " Akinobu Mita
2013-03-04 22:44 ` Myklebust, Trond
2013-03-04 12:58 ` [PATCH -v3 18/23] net/sched: " Akinobu Mita
2013-03-04 12:58 ` [PATCH -v3 19/23] net/netfilter: " Akinobu Mita
2013-03-04 12:58 ` [PATCH -v3 20/23] net/core: " Akinobu Mita
2013-03-04 12:58 ` [PATCH -v3 21/23] net/core: remove duplicate statements by do-while loop Akinobu Mita
2013-03-04 12:58 ` [PATCH -v3 22/23] net: rename random32 to prandom Akinobu Mita
2013-03-04 12:58 ` [PATCH -v3 23/23] remove unused random32() and srandom32() Akinobu Mita
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