linux-kernel - Re: [alsa-devel] [PATCH v2 5/6] sound/usb: pcm changes to use media token api

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Thu, 16 Oct 2014 14:00:52 +0200
From:	Lars-Peter Clausen <lars@...afoo.de>
To:	Shuah Khan <shuahkh@....samsung.com>, m.chehab@...sung.com,
	akpm@...ux-foundation.org, gregkh@...uxfoundation.org,
	crope@....fi, olebowle@....com, dheitmueller@...nellabs.com,
	hverkuil@...all.nl, ramakrmu@...co.com,
	sakari.ailus@...ux.intel.com, laurent.pinchart@...asonboard.com,
	perex@...ex.cz, tiwai@...e.de, prabhakar.csengg@...il.com,
	tim.gardner@...onical.com, linux@...elenboom.it
CC:	linux-kernel@...r.kernel.org, alsa-devel@...a-project.org,
	linux-media@...r.kernel.org
Subject: Re: [alsa-devel] [PATCH v2 5/6] sound/usb: pcm changes to use media
 token api

On 10/14/2014 04:58 PM, Shuah Khan wrote:
[...]
>   	switch (cmd) {
>   	case SNDRV_PCM_TRIGGER_START:
> +		err = media_get_audio_tkn(&subs->dev->dev);
> +		if (err == -EBUSY) {
> +			dev_info(&subs->dev->dev, "%s device is busy\n",
> +					__func__);

In my opinion this should not dev_info() as this is out of band error 
signaling and also as the potential to spam the log. The userspace 
application is already properly notified by the return code.

> +			return err;
> +		}
>   		err = start_endpoints(subs, false);
>   		if (err < 0)
>   			return err;

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/