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From: SF Markus Elfring <elfring@users.sourceforge.net>
To: Johannes Thumshirn <jthumshirn@suse.de>
Cc: Dan Carpenter <dan.carpenter@oracle.com>,
	linux-scsi@vger.kernel.org, target-devel@vger.kernel.org,
	"Nicholas A. Bellinger" <nab@linux-iscsi.org>,
	LKML <linux-kernel@vger.kernel.org>,
	kernel-janitors@vger.kernel.org,
	Julia Lawall <julia.lawall@lip6.fr>
Subject: Re: [PATCH 1/7] iscsi-target: Use a variable initialisation in iscsi_set_default_param() directly
Date: Mon, 14 Dec 2015 12:38:28 +0100	[thread overview]
Message-ID: <566EAA34.5000301@users.sourceforge.net> (raw)
In-Reply-To: <20151214084114.GB31151@c203.arch.suse.de>

> @@ -127,9 +127,8 @@ static struct iscsi_param *iscsi_set_default_param(struct iscsi_param_list *para
>  		char *name, char *value, u8 phase, u8 scope, u8 sender,
>  		u16 type_range, u8 use)
>  {
> -	struct iscsi_param *param = NULL;
> +	struct iscsi_param *param;
>  
> 	param = kzalloc(sizeof(struct iscsi_param), GFP_KERNEL);
>  	if (!param) {
>  		pr_err("Unable to allocate memory for parameter.\n");
> 
> 
> This way it would be _far_ more readable.

I guess that there are some opinions available for this implementation detail.


> IMHO one should have a 1 action per line of code style

How often do you care for such style issues?


> and only assign values in at declaration time if really necessary.

Which is or might become the official Linux coding style recommendation
for this aspect?


> But what is the benefit from this? Is it fixing a (hypothetical) bug?

I find the shown null pointer initialisation just needless.

Regards,
Markus


  reply	other threads:[~2015-12-14 11:38 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <566ABCD9.1060404@users.sourceforge.net>
2015-12-12 14:30 ` [PATCH 0/7] iSCSI-target: Fine-tuning for three function implementations SF Markus Elfring
2015-12-12 14:34   ` [PATCH 1/7] iscsi-target: Use a variable initialisation in iscsi_set_default_param() directly SF Markus Elfring
2015-12-12 19:49     ` Dan Carpenter
2015-12-12 21:22       ` SF Markus Elfring
2015-12-14  8:41       ` Johannes Thumshirn
2015-12-14 11:38         ` SF Markus Elfring [this message]
2015-12-12 14:37   ` [PATCH 2/7] iscsi-target: Less checks in iscsi_set_default_param() after error detection SF Markus Elfring
2015-12-12 14:40   ` [PATCH 3/7] iscsi-target: Delete an unnecessary variable initialisation in iscsi_create_default_params() SF Markus Elfring
2015-12-12 14:41   ` [PATCH 4/7] iscsi-target: Make a variable initialisation a bit more obvious " SF Markus Elfring
2015-12-12 14:45     ` Julia Lawall
2015-12-12 15:02       ` SF Markus Elfring
2015-12-12 14:42   ` [PATCH 5/7] iscsi-target: Rename a jump label " SF Markus Elfring
2015-12-12 14:43   ` [PATCH 6/7] iscsi-target: Delete unnecessary variable initialisations in iscsi_check_valuelist_for_support() SF Markus Elfring
2015-12-12 14:45   ` [PATCH 7/7] iscsi-target: Make two variable initialisations a bit more obvious " SF Markus Elfring
2015-12-12 17:17     ` walter harms
2016-08-18  9:48 ` [PATCH 0/5] block-cciss: Fine-tuning for two function implementations SF Markus Elfring
2016-08-18  9:55   ` [PATCH 1/5] block-cciss: Use memdup_user() rather than duplicating its implementation SF Markus Elfring
2016-08-18  9:56   ` [PATCH 2/5] block-cciss: Less function calls in cciss_bigpassthru() after error detection SF Markus Elfring
2016-08-18 10:00   ` [PATCH 3/5] block-cciss: Delete unnecessary initialisations in cciss_bigpassthru() SF Markus Elfring
2016-08-18 10:02   ` [PATCH 4/5] block-cciss: Move an assignment for the variable "sg_used" " SF Markus Elfring
2016-08-18 10:03   ` [PATCH 5/5] block-cciss: Replace three kzalloc() calls by kcalloc() SF Markus Elfring
2017-08-06 15:00   ` [PATCH 0/5] block-cciss: Fine-tuning for two function implementations SF Markus Elfring
2016-08-21  7:14 ` [PATCH 0/7] aacraid: Fine-tuning for a few functions SF Markus Elfring
2016-08-21  7:19   ` [PATCH 1/7] aacraid: Use memdup_user() rather than duplicating its implementation SF Markus Elfring
2016-08-22 18:00     ` David Carroll
2016-08-22 20:23       ` SF Markus Elfring
2016-08-24 23:01         ` David Carroll
2016-08-21  7:20   ` [PATCH 2/7] aacraid: One function call less in aac_send_raw_srb() after error detection SF Markus Elfring
2016-08-21  7:22   ` [PATCH 3/7] aacraid: Delete unnecessary initialisations in aac_send_raw_srb() SF Markus Elfring
2016-08-21  7:24   ` [PATCH 4/7] aacraid: Delete unnecessary braces SF Markus Elfring
2016-08-21  7:25   ` [PATCH 5/7] aacraid: Add spaces after control flow keywords SF Markus Elfring
2016-08-21  7:27   ` [PATCH 6/7] aacraid: Improve determination of a few sizes SF Markus Elfring
2016-08-21  7:29   ` [PATCH 7/7] aacraid: Apply another recommendation from "checkpatch.pl" SF Markus Elfring
2016-08-21  8:48 ` [PATCH] megaraid_sas: Use memdup_user() rather than duplicating its implementation SF Markus Elfring
2016-08-22  9:31   ` Sumit Saxena
2016-08-24  2:47   ` Martin K. Petersen

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