linux-kernel - Re: [PATCH 1/1] staging: unisys: Remove allocation from declaration line

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Date:	Tue, 10 Feb 2015 19:13:27 +0530
From:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
To:	Quentin Lambert <lambert.quentin@...il.com>
Cc:	Benjamin Romer <benjamin.romer@...sys.com>,
	David Kershner <david.kershner@...sys.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	kernel-janitors@...r.kernel.org, sparmaintainer@...sys.com,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/1] staging: unisys: Remove allocation from declaration
 line

On Tue, Feb 10, 2015 at 02:02:14PM +0100, Quentin Lambert wrote:
> This patch removes allocation from declaration line because
> people are known to gloss over declarations.
> 
> Signed-off-by: Quentin Lambert <lambert.quentin@...il.com>
> ---
>  drivers/staging/unisys/visorchipset/visorchipset_main.c | 6 +++---
>  drivers/staging/unisys/visorutil/charqueue.c            | 3 ++-
>  drivers/staging/unisys/visorutil/memregion_direct.c     | 5 +++--
>  3 files changed, 8 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/staging/unisys/visorchipset/visorchipset_main.c b/drivers/staging/unisys/visorchipset/visorchipset_main.c
> index 82e259d..a6c6bb7 100644
> --- a/drivers/staging/unisys/visorchipset/visorchipset_main.c
> +++ b/drivers/staging/unisys/visorchipset/visorchipset_main.c
> @@ -1604,9 +1604,9 @@ parahotplug_next_expiration(void)
>  static struct parahotplug_request *
>  parahotplug_request_create(struct controlvm_message *msg)
>  {
> -	struct parahotplug_request *req =
> -	    kmalloc(sizeof(struct parahotplug_request),
> -		    GFP_KERNEL|__GFP_NORETRY);
> +	struct parahotplug_request *req;
> +
> +	req = kmalloc(sizeof(struct parahotplug_request), GFP_KERNEL|__GFP_NORETRY);
if you make it as:
	req = kmalloc(sizeof(*req), GFP_KERNEL|__GFP_NORETRY);
then this will not give you checkpatch warning of line over 80 char.

regards
sudip

>  	if (req == NULL)
>  		return NULL;
<snip>	
>  		return NULL;
> -- 
> 1.9.1
> 
> --
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