From cedddb00023b1321f2bb2739739aa8c9927fc063 Mon Sep 17 00:00:00 2001 From: Akinobu Mita Date: Mon, 29 Apr 2013 16:21:25 -0700 Subject: [PATCH] uuid: use prandom_bytes() Use prandom_bytes() to generate 16 bytes of pseudo-random bytes. Signed-off-by: Akinobu Mita Cc: "Theodore Ts'o" Cc: Huang Ying Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- lib/uuid.c | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) diff --git a/lib/uuid.c b/lib/uuid.c index 52a6fe6387de..398821e4dce1 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; } -- 2.20.1