From: Takashi Iwai <tiwai@suse.de>
To: Sreeraj S Kurup <sreekuttan2156239@gmail.com>
Cc: linux-kernel@vger.kernel.org, linux-sound@vger.kernel.org,
perex@perex.cz, tiwai@suse.com, tiwai@suse.de
Subject: Re: [PATCH v2] ALSA: control: Trim whitespace from sysfs input
Date: Sat, 07 Nov 2026 10:03:47 +0100 [thread overview]
Message-ID: <87h5htypvw.wl-tiwai@suse.de> (raw)
In-Reply-To: <20261106172625.4622-1-sreekuttan2156239@gmail.com>
On Fri, 06 Nov 2026 18:26:25 +0100,
Sreeraj S Kurup wrote:
>
> The attach and detach sysfs interfaces receive input from
> userspace.
>
> When userspace writes a value using echo, the input normally
> ends with a newline character.
>
> The parser does not remove this newline in all input formats.
> For example, a bare numeric ID can be treated as a control name,
> and an unquoted name= field can include the newline.
>
> Trim leading and trailing whitespace before parsing the input.
>
> This keeps spaces inside mixer control names unchanged.
>
> Fixes: a135dfb5de15 ("ALSA: led control - add sysfs kcontrol LED marking layer")
> Signed-off-by: Sreeraj S Kurup <sreekuttan2156239@gmail.com>
Applied to for-next branch. Thanks.
Takashi
prev parent reply other threads:[~2026-11-07 9:03 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-06 16:55 [PATCH] " Sreeraj S Kurup
2026-11-06 17:26 ` [PATCH v2] " Sreeraj S Kurup
2026-11-07 9:03 ` Takashi Iwai [this message]
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