linux-kernel - Re: [PATCH] ALSA: serial-generic: remove shared static buffer

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Message-ID: <87jz203sy5.wl-tiwai@suse.de>
Date: Mon, 15 Sep 2025 12:34:26 +0200
From: Takashi Iwai <tiwai@...e.de>
To: John Keeping <jkeeping@...usicbrands.com>
Cc: linux-sound@...r.kernel.org,
	Jaroslav Kysela <perex@...ex.cz>,
	Takashi Iwai <tiwai@...e.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ALSA: serial-generic: remove shared static buffer

On Mon, 15 Sep 2025 11:42:19 +0200,
John Keeping wrote:
> 
> If multiple instances of this driver are instantiated and try to send
> concurrently then the single static buffer snd_serial_generic_tx_work()
> will cause corruption in the data output.
> 
> Move the buffer into the per-instance driver data to avoid this.
> 
> Signed-off-by: John Keeping <jkeeping@...usicbrands.com>

Thanks, applied now to for-next branch.


Takashi