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 157433A9604; Wed, 21 Jan 2026 18:29:39 +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=1769020179; cv=none; b=tO2PQ0+i4H9nLHKT9TroZONuXKFcf1gigkC+4WRcvk/KP/2oFXtOHNPj+u14S4HJmQ0ngZAvFc3kY6/q2tCmpy3qdt+gusMTlJoT+0CS45kTHPu0OWnytuBL92n+IomLPHwApnfKULPYaQBHgQ12nBnbLYerpG89c8f09tK31wU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769020179; c=relaxed/simple; bh=uY5zp9u8837RwquWSY1qbb4aX6UeprahneYWYkDv/Z4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=EexCWtRbeyCEhR0+znfbAEp2IK9rmBjRM/inAB9K/DT+kGPbf7D7t/dCyWxrgyJiQf4tkylXmpJDlN8TDkCY3t2fdUxXFIVcs7+pO5EDgzbhbbdXszawTQbXblQ/Cbo9iZpXS/JWymjISofroZgO5lG1VxJtWX+SNRJZhH1BkLc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=aSTJLU4T; 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="aSTJLU4T" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4FE34C4CEF1; Wed, 21 Jan 2026 18:29:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1769020178; bh=uY5zp9u8837RwquWSY1qbb4aX6UeprahneYWYkDv/Z4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=aSTJLU4TC9r4GFAQJxdx+5w1L5gVibJvvsrPJWgQBt2FbksTtTs47YYu9Ik+3cHwd x8Ioo7bW9GelRvKKfbRfvDoJoMrv3GipJ0uXSeUZeI1MsxupoD9bbdg+m/Rzf4uBSe 6CDXEA0LbxXE3G2pJ4juk7NKNfW71OmL/JNG8sng= 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 6.18 083/198] dmaengine: omap-dma: fix dma_pool resource leak in error paths Date: Wed, 21 Jan 2026 19:15:11 +0100 Message-ID: <20260121181421.546358852@linuxfoundation.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260121181418.537774329@linuxfoundation.org> References: <20260121181418.537774329@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 6.18-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 8c023c6e623a5..73ed4b7946304 100644 --- a/drivers/dma/ti/omap-dma.c +++ b/drivers/dma/ti/omap-dma.c @@ -1808,6 +1808,8 @@ 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; } @@ -1823,6 +1825,8 @@ 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