From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3935F3BE641; Tue, 21 Jul 2026 21:46:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784670366; cv=none; b=Z8cLTkRVe0TCCP8sxwA6CIs/KK28D6BaWDC8p7t2xakwWdPYejfcw00DPbjbMLORrMIoZxZI8+eFm+6nmGhG5QYdPSHZqq7+6HaN99baHpJeniApj/ulspsYSH+WrY3VuigOn5JhAsiozZEtl1ieS+xV2GVZt959Kycw3zVA6KE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784670366; c=relaxed/simple; bh=rmoUlgMGWhTexM+qAbIt3kii+O8V+E81FbnTvPoEJNw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=gtY6MtrvjujztWPoG867XDhkvN58MzIOCzsrJDlgMIom/7cHpltFj3IUhDVPMkAhnOzR2FvpccLha8UjpJHW61ffhfGzHfT3FJkHFeFFBvASG3oxAO+B8bfPUR7lPDjPKsfXJSXcUwi6eJDYrbpNYos9wXJoCBJxlSeqOmx4QQ4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=EE58Etp5; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="EE58Etp5" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9EE431F000E9; Tue, 21 Jul 2026 21:46:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1784670365; bh=JkQ94bobiwfl7+raYvJy8Van+NWdOvLFbyXlEegNzTc=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=EE58Etp5XsgMHEUSNpDpEEQ24vpB5bglW7O7QV+eambecva9WFkY/vbsGXuccDzNs wLYYr7bFtczhMUlxAuwKHpHvBTIUDg/C/0stZvXM+BAgDevx5wcehjZP7ZWqlcvvfm cxrrTR77w4j8IjB6NyaRa+Xr/XcGCrDbIcRU80IM= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Wentao Liang , Niklas Cassel , Damien Le Moal Subject: [PATCH 6.1 0905/1067] ata: pata_pxa: Fix DMA channel leak on probe error Date: Tue, 21 Jul 2026 17:25:06 +0200 Message-ID: <20260721152444.784055862@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260721152424.521567757@linuxfoundation.org> References: <20260721152424.521567757@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Wentao Liang commit fcaf242e7fc406e78f444a35441e3b58f5e28781 upstream. 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 Reviewed-by: Niklas Cassel Signed-off-by: Damien Le Moal Signed-off-by: Greg Kroah-Hartman --- drivers/ata/pata_pxa.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/ata/pata_pxa.c +++ b/drivers/ata/pata_pxa.c @@ -287,6 +287,7 @@ static int pxa_ata_probe(struct platform ret = dmaengine_slave_config(data->dma_chan, &config); if (ret < 0) { dev_err(&pdev->dev, "dma configuration failed: %d\n", ret); + dma_release_channel(data->dma_chan); return ret; }