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Subject[PATCH 02/29] uuid: use prandom_bytes()
Date
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>
---
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;
}
--
1.7.11.7


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