linux-kernel - Re: [PATCH 19/26] [SCSI] qla2xxx: Remove redundant NULL check before release

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Date:	Tue, 10 Apr 2012 08:22:29 -0400
From:	Chad Dupuis <chad.dupuis@...gic.com>
To:	Jesper Juhl <jj@...osbits.net>
CC:	linux-kernel <linux-kernel@...r.kernel.org>,
	"trivial@...nel.org" <trivial@...nel.org>,
	"linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
	"James E.J. Bottomley" <JBottomley@...allels.com>,
	Dept-Eng Linux Driver <Linux-Driver@...gic.com>,
	Andrew Vasquez <andrew.vasquez@...gic.com>
Subject: Re: [PATCH 19/26] [SCSI] qla2xxx: Remove redundant NULL check before
 release_firmware() call.



On Mon, 9 Apr 2012, Jesper Juhl wrote:

> release_firmware() checks for NULL pointers internally so checking
> before calling it is redundant.
>
> Signed-off-by: Jesper Juhl <jj@...osbits.net>
> ---
> drivers/scsi/qla2xxx/qla_os.c |    3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
> index a2f9992..91b6fe6 100644
> --- a/drivers/scsi/qla2xxx/qla_os.c
> +++ b/drivers/scsi/qla2xxx/qla_os.c
> @@ -4106,8 +4106,7 @@ qla2x00_release_firmware(void)
>
>       mutex_lock(&qla_fw_lock);
>       for (idx = 0; idx < FW_BLOBS; idx++)
> -             if (qla_fw_blobs[idx].fw)
> -                     release_firmware(qla_fw_blobs[idx].fw);
> +             release_firmware(qla_fw_blobs[idx].fw);
>       mutex_unlock(&qla_fw_lock);
> }
>
>

Acked-by: Chad Dupuis <chad.dupuis@...gic.com>

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