Re: [PATCH v2] ALSA: control: Trim whitespace from sysfs input

[Takashi Iwai]

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@xxxxxxxxx>

Applied to for-next branch.  Thanks.


Takashi