linux-kernel - Re: [PATCH] ALSA: vxpocket: Fix resource leak in vxpocket

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Message-ID: <87v7i86trr.wl-tiwai@suse.de>
Date: Mon, 15 Dec 2025 09:20:24 +0100
From: Takashi Iwai <tiwai@...e.de>
To: Haotian Zhang <vulab@...as.ac.cn>
Cc: perex@...ex.cz,
	tiwai@...e.com,
	linux-sound@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ALSA: vxpocket: Fix resource leak in vxpocket_probe error path

On Mon, 15 Dec 2025 05:26:52 +0100,
Haotian Zhang wrote:
> 
> When vxpocket_config() fails, vxpocket_probe() returns the error code
> directly without freeing the sound card resources allocated by
> snd_card_new(), which leads to a memory leak.
> 
> Add proper error handling to free the sound card and clear the
> allocation bit when vxpocket_config() fails.
> 
> Fixes: 15b99ac17295 ("[PATCH] pcmcia: add return value to _config() functions")
> Signed-off-by: Haotian Zhang <vulab@...as.ac.cn>

Applied now.  Thanks.

I guess a similar bug is present in
sound/pcmcia/pdaudiocf/pdaudiocf.c, too.
Care to fix it as well? ;)


Takashi