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Message-ID: <20150117230940.GA20797@kroah.com>
Date: Sat, 17 Jan 2015 15:09:40 -0800
From: Greg KH <gregkh@...uxfoundation.org>
To: Shirish Gajera <gajerashirish@...il.com>
Cc: eric.rost@...abylon.net, jason@...edaemon.net, jake@....net,
antonysaraev@...il.com, devel@...verdev.osuosl.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] staging: skein: Remove all do{} while (0) loop from
single statement.
On Sun, Jan 11, 2015 at 03:41:05PM -0800, Shirish Gajera wrote:
> This patch fixes the checkpatch.pl warning:
>
> WARNING: Single statement macros should not use a do {} while (0) loop
>
> I remove do while from the single statement macro.
>
> Signed-off-by: Shirish Gajera <gajerashirish@...il.com>
> ---
> drivers/staging/skein/skein_block.c | 31 +++++++++----------------------
> 1 file changed, 9 insertions(+), 22 deletions(-)
>
> diff --git a/drivers/staging/skein/skein_block.c b/drivers/staging/skein/skein_block.c
> index 66261ab..f89b410 100644
> --- a/drivers/staging/skein/skein_block.c
> +++ b/drivers/staging/skein/skein_block.c
> @@ -67,10 +67,8 @@ do { \
> } while (0)
>
> #if SKEIN_UNROLL_256 == 0
> -#define R256(p0, p1, p2, p3, ROT, r_num) /* fully unrolled */ \
> -do { \
> - ROUND256(p0, p1, p2, p3, ROT, r_num); \
> -} while (0)
> +#define R256(p0, p1, p2, p3, ROT, r_num) \
> + ROUND256(p0, p1, p2, p3, ROT, r_num)
>
> #define I256(R) \
> do { \
> @@ -82,10 +80,7 @@ do { \
> } while (0)
> #else
> /* looping version */
> -#define R256(p0, p1, p2, p3, ROT, r_num) \
> -do { \
> - ROUND256(p0, p1, p2, p3, ROT, r_num); \
> -} while (0)
> +#define R256(p0, p1, p2, p3, ROT, r_num) ROUND256(p0, p1, p2, p3, ROT, r_num)
>
> #define I256(R) \
> do { \
> @@ -154,10 +149,8 @@ do { \
> } while (0)
>
> #if SKEIN_UNROLL_512 == 0
> -#define R512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, r_num) /* unrolled */ \
> -do { \
> - ROUND512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, r_num); \
> -} while (0)
> +#define R512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, r_num) \
> + ROUND512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, r_num)
>
> #define I512(R) \
> do { \
> @@ -173,10 +166,8 @@ do { \
> } while (0)
>
> #else /* looping version */
> -#define R512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, r_num) \
> -do { \
> - ROUND512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, r_num); \
> -} while (0)
> +#define R512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, r_num) \
> + ROUND512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, r_num)
>
> #define I512(R) \
> do { \
> @@ -263,10 +254,8 @@ do { \
> #if SKEIN_UNROLL_1024 == 0
> #define R1024(p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, pA, pB, pC, pD, pE, pF, \
> ROT, rn) \
> -do { \
> ROUND1024(p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, pA, pB, pC, pD, pE, \
> - pF, ROT, rn); \
> -} while (0)
> + pF, ROT, rn)
>
> #define I1024(R) \
> do { \
> @@ -291,10 +280,8 @@ do { \
> #else /* looping version */
> #define R1024(p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, pA, pB, pC, pD, pE, pF, \
> ROT, rn) \
> -do { \
> ROUND1024(p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, pA, pB, pC, pD, pE, \
> - pF, ROT, rn); \
> -} while (0)
> + pF, ROT, rn)
>
> #define I1024(R) \
> do { \
> --
> 1.9.1
Doesn't apply to my tree :(
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