linux-kernel - Re: [PATCH] ALSA: usb: caiaq: audio: Delete two error messages for a failed memory allocation in alloc

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Date:   Sat, 12 Aug 2017 09:30:29 +0200
From:   Daniel Mack <daniel@...que.org>
To:     SF Markus Elfring <elfring@...rs.sourceforge.net>,
        alsa-devel@...a-project.org, Daniel Mack <zonque@...il.com>,
        Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] ALSA: usb: caiaq: audio: Delete two error messages for a
 failed memory allocation in alloc_urbs()

On 08/11/2017 08:00 PM, SF Markus Elfring wrote:
> From: Markus Elfring <elfring@...rs.sourceforge.net>
> Date: Fri, 11 Aug 2017 19:39:06 +0200
> 
> Omit extra messages 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>

Acked-by: Daniel Mack <daniel@...que.org>



> ---
>  sound/usb/caiaq/audio.c | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/sound/usb/caiaq/audio.c b/sound/usb/caiaq/audio.c
> index 8f66ba730d69..1f306155e76a 100644
> --- a/sound/usb/caiaq/audio.c
> +++ b/sound/usb/caiaq/audio.c
> @@ -731,7 +731,6 @@ static struct urb **alloc_urbs(struct snd_usb_caiaqdev *cdev, int dir, int *ret)
>  
>  	urbs = kmalloc(N_URBS * sizeof(*urbs), GFP_KERNEL);
>  	if (!urbs) {
> -		dev_err(dev, "unable to kmalloc() urbs, OOM!?\n");
>  		*ret = -ENOMEM;
>  		return NULL;
>  	}
> @@ -746,7 +745,6 @@ static struct urb **alloc_urbs(struct snd_usb_caiaqdev *cdev, int dir, int *ret)
>  		urbs[i]->transfer_buffer =
>  			kmalloc(FRAMES_PER_URB * BYTES_PER_FRAME, GFP_KERNEL);
>  		if (!urbs[i]->transfer_buffer) {
> -			dev_err(dev, "unable to kmalloc() transfer buffer, OOM!?\n");
>  			*ret = -ENOMEM;
>  			return urbs;
>  		}
>