On Tue, Dec 02, 2014 at 03:43:13AM -0500, George Spelvin wrote:
> rand_read_pos is never more than 16, while there's only 1 flag
> bit allocated, so we can shrink the context a little.
>
> Signed-off-by: George Spelvin <linux@xxxxxxxxxxx>
> ---
> crypto/ansi_cprng.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> They're also reordered to avoid alignment holes.
>
> diff --git a/crypto/ansi_cprng.c b/crypto/ansi_cprng.c
> index 93ed00f6..f40f54cd 100644
> --- a/crypto/ansi_cprng.c
> +++ b/crypto/ansi_cprng.c
> @@ -51,9 +51,9 @@ struct prng_context {
> unsigned char rand_data[DEFAULT_BLK_SZ];
> unsigned char DT[DEFAULT_BLK_SZ];
> unsigned char V[DEFAULT_BLK_SZ];
> - u32 rand_read_pos; /* Offset into rand_data[] */
> + unsigned char rand_read_pos; /* Offset into rand_data[] */
u8 please. Also, not sure if this helps much, as I think the padding will just
get you back to word alignment on each of these.
> + unsigned char flags;
> struct crypto_cipher *tfm;
> - u32 flags;
> };
>
> static int dbg;
> --
> 2.1.3
>
>
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