linux-kernel - Re: [PATCH] lightnvm/pblk-gc: Delete an error message for a failed memory allocation in pblk_gc_line_prepare

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Message-ID: <8d034c60-ce01-f40d-e122-6e1ec2bc145a@bjorling.me>
Date:   Tue, 16 Jan 2018 22:26:42 +0100
From:   Matias Bjørling <m@...rling.me>
To:     SF Markus Elfring <elfring@...rs.sourceforge.net>,
        linux-block@...r.kernel.org, Matias Bjorling <mb@...htnvm.io>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] lightnvm/pblk-gc: Delete an error message for a failed
 memory allocation in pblk_gc_line_prepare_ws()

On 01/16/2018 10:10 PM, SF Markus Elfring wrote:
> From: Markus Elfring <elfring@...rs.sourceforge.net>
> Date: Tue, 16 Jan 2018 22:00:15 +0100
> 
> Omit an extra message for a memory allocation failure in this function.
> 
> This issue was detected by using the Coccinelle software.
> 
> Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
> ---
>   drivers/lightnvm/pblk-gc.c | 4 +---
>   1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/drivers/lightnvm/pblk-gc.c b/drivers/lightnvm/pblk-gc.c
> index 9c8e114c8a54..54cdb4360366 100644
> --- a/drivers/lightnvm/pblk-gc.c
> +++ b/drivers/lightnvm/pblk-gc.c
> @@ -147,10 +147,8 @@ static void pblk_gc_line_prepare_ws(struct work_struct *work)
>   	int ret;
>   
>   	invalid_bitmap = kmalloc(lm->sec_bitmap_len, GFP_KERNEL);
> -	if (!invalid_bitmap) {
> -		pr_err("pblk: could not allocate GC invalid bitmap\n");
> +	if (!invalid_bitmap)
>   		goto fail_free_ws;
> -	}
>   
>   	emeta_buf = pblk_malloc(lm->emeta_len[0], l_mg->emeta_alloc_type,
>   								GFP_KERNEL);
> 

Thanks Markus. I'll queue it up for 4.17.