From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 56CDB2505AA; Wed, 28 Jan 2026 15:30:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769614226; cv=none; b=biMrYSQieuq97pUFRlxGcYfQZGZTOqh1t/Wn/U7HqZmcyYcnRo+UgHUhbG04APQF4CZDXKg5vAKFiGWiCB2fvGIicyPFAJyHh8t3o6lVfxp5E47vVRaz4BTjHGO6XbS1pUUVwIgfkKEXTfEwuiYSoRH1M/BAXYH5+wP9q/K82X8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769614226; c=relaxed/simple; bh=9EiC/meF3rCyrbQ04wwIkmjtaGS5yS/r4p1JCQCCZhk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=NgaaIVS2TFvPIp5t12gANABs72cLR7J9kiNXdGDCPFX6mI0d7qDP6aCMNYbQEeEnkzdwFfaajpn3zTIhKPzjidrzYLNIzkru/X0IT9q2+uwOub2JHZ0wvyH9PLFaCiRJdG7fHfr1Y+oXTHRlsMMcVFURtE/cPv4ke71a1LqaHG4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=ndn32o94; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="ndn32o94" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7D664C4CEF1; Wed, 28 Jan 2026 15:30:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1769614226; bh=9EiC/meF3rCyrbQ04wwIkmjtaGS5yS/r4p1JCQCCZhk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ndn32o94ra6c0JqYOq3/uK6FfQIERkq0FyeKsNzkxKTVC0356xGPksYEvf4/ut7f/ 0T+7uYGyPmcc8DYd22EF69drFSHe4CaIjZE3mvFregQnJINiUzkbK1ySotBsXw072k 4r2OJcNR6Sfg2tD0wRo7g5HxyEb1vhMluokHBSFc= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Haotian Zhang , Vinod Koul , Sasha Levin Subject: [PATCH 6.6 041/254] dmaengine: omap-dma: fix dma_pool resource leak in error paths Date: Wed, 28 Jan 2026 16:20:17 +0100 Message-ID: <20260128145346.179348455@linuxfoundation.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260128145344.698118637@linuxfoundation.org> References: <20260128145344.698118637@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Haotian Zhang [ Upstream commit 2e1136acf8a8887c29f52e35a77b537309af321f ] The dma_pool created by dma_pool_create() is not destroyed when dma_async_device_register() or of_dma_controller_register() fails, causing a resource leak in the probe error paths. Add dma_pool_destroy() in both error paths to properly release the allocated dma_pool resource. Fixes: 7bedaa553760 ("dmaengine: add OMAP DMA engine driver") Signed-off-by: Haotian Zhang Link: https://patch.msgid.link/20251103073018.643-1-vulab@iscas.ac.cn Signed-off-by: Vinod Koul Signed-off-by: Sasha Levin --- drivers/dma/ti/omap-dma.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/dma/ti/omap-dma.c b/drivers/dma/ti/omap-dma.c index cf96cf915c0c7..efc9093707e5a 100644 --- a/drivers/dma/ti/omap-dma.c +++ b/drivers/dma/ti/omap-dma.c @@ -1809,6 +1809,8 @@ static int omap_dma_probe(struct platform_device *pdev) if (rc) { pr_warn("OMAP-DMA: failed to register slave DMA engine device: %d\n", rc); + if (od->ll123_supported) + dma_pool_destroy(od->desc_pool); omap_dma_free(od); return rc; } @@ -1824,6 +1826,8 @@ static int omap_dma_probe(struct platform_device *pdev) if (rc) { pr_warn("OMAP-DMA: failed to register DMA controller\n"); dma_async_device_unregister(&od->ddev); + if (od->ll123_supported) + dma_pool_destroy(od->desc_pool); omap_dma_free(od); } } -- 2.51.0