From: Damien Le Moal <dlemoal@kernel.org>
To: Wentao Liang <vulab@iscas.ac.cn>, cassel@kernel.org
Cc: linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org,
stable@vger.kernel.org
Subject: Re: [PATCH] ata: pata_pxa: Fix DMA channel leak on probe error
Date: Sat, 27 Jun 2026 06:44:27 +0900 [thread overview]
Message-ID: <6b4d641e-acae-4f53-840f-7ed4bfc25172@kernel.org> (raw)
In-Reply-To: <20260625141837.62362-1-vulab@iscas.ac.cn>
On 6/25/26 23:18, Wentao Liang wrote:
> When dmaengine_slave_config() fails, the DMA channel acquired by
> dma_request_chan() is not released before returning the error,
> leaking the channel reference.
>
> Fix by adding dma_release_channel() in the error path.
>
> The ata_host_activate() error path already correctly releases the
> DMA channel.
>
> Cc: stable@vger.kernel.org
> Fixes: 88622d80af82 ("ata: pata_pxa: dmaengine conversion")
> Signed-off-by: Wentao Liang <vulab@iscas.ac.cn>
Applied to for-7.2-fixes. Thanks!
--
Damien Le Moal
Western Digital Research
prev parent reply other threads:[~2026-06-26 21:44 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-25 14:18 [PATCH] ata: pata_pxa: Fix DMA channel leak on probe error Wentao Liang
2026-06-25 14:27 ` sashiko-bot
2026-06-26 11:10 ` Niklas Cassel
2026-06-26 21:44 ` Damien Le Moal [this message]
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