linux-kernel - Re: [PATCH 7/7] iscsi-target: Make two variable initialisations a bit more obvious in iscsi_check_valuelist_for

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Date:	Sat, 12 Dec 2015 18:17:46 +0100
From:	walter harms <wharms@....de>
To:	SF Markus Elfring <elfring@...rs.sourceforge.net>
CC:	linux-scsi@...r.kernel.org, target-devel@...r.kernel.org,
	"Nicholas A. Bellinger" <nab@...ux-iscsi.org>,
	LKML <linux-kernel@...r.kernel.org>,
	kernel-janitors@...r.kernel.org,
	Julia Lawall <julia.lawall@...6.fr>
Subject: Re: [PATCH 7/7] iscsi-target: Make two variable initialisations a
 bit more obvious in iscsi_check_valuelist_for_support()



Am 12.12.2015 15:45, schrieb SF Markus Elfring:
> From: Markus Elfring <elfring@...rs.sourceforge.net>
> Date: Sat, 12 Dec 2015 15:04:57 +0100
> 
> The variable "acceptor_values" and "proposer_values" were initialized
> by null pointers and immediately assigned values from input parameters
> by separate statements.
> Let us express the desired variable initialisations directly.
> 
> Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
> ---
>  drivers/target/iscsi/iscsi_target_parameters.c | 5 +----
>  1 file changed, 1 insertion(+), 4 deletions(-)
> 
> diff --git a/drivers/target/iscsi/iscsi_target_parameters.c b/drivers/target/iscsi/iscsi_target_parameters.c
> index 53e3345..fb6fd34 100644
> --- a/drivers/target/iscsi/iscsi_target_parameters.c
> +++ b/drivers/target/iscsi/iscsi_target_parameters.c
> @@ -921,10 +921,7 @@ static char *iscsi_check_valuelist_for_support(
>  	char *value)
>  {
>  	char *tmp1, *tmp2;
> -	char *acceptor_values = NULL, *proposer_values = NULL;
> -
> -	acceptor_values = param->value;
> -	proposer_values = value;
> +	char *acceptor_values = param->value, *proposer_values = value;
>  

I do not thing that this is a good idea,
i find the first version more readable
but you are right the NULL can be removed.

just my 2 cents,

re,
 wh



>  	do {
>  		if (!proposer_values)
--
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