linux-kernel - Re: [PATCH] staging: lustre: lnet: remove dead code

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Date:   Thu, 29 Jun 2017 16:32:24 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Dmitriy Cherkasov <dmitriy@...-tech.org>
Cc:     devel@...verdev.osuosl.org, Oleg Drokin <oleg.drokin@...el.com>,
        Andreas Dilger <andreas.dilger@...el.com>,
        James Simmons <jsimmons@...radead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Lustre Development List <lustre-devel@...ts.lustre.org>
Subject: Re: [PATCH] staging: lustre: lnet: remove dead code

On Wed, Jun 28, 2017 at 09:42:36PM -0700, Dmitriy Cherkasov wrote:
> Remove code which was permanently disabled with ifdefs.
> 
> This also resolves the following checkpatch warning which was
> triggered by the dead code:
> 
> WARNING: space prohibited before semicolon
> 
> Signed-off-by: Dmitriy Cherkasov <dmitriy@...-tech.org>
> ---
>  drivers/staging/lustre/lnet/klnds/socklnd/socklnd.h | 6 ------
>  1 file changed, 6 deletions(-)
> 
> diff --git a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.h b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.h
> index 5540de6..7c487fa 100644
> --- a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.h
> +++ b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.h
> @@ -521,13 +521,7 @@ struct ksock_proto {
>  
>  static inline __u32 ksocknal_csum(__u32 crc, unsigned char const *p, size_t len)
>  {
> -#if 1
>  	return crc32_le(crc, p, len);

Even better yet, why not just replace the callers of this tiny function,
with crc32_le() instead and delete this useless wrapper?

thanks,

greg k-h