From patchwork Tue Jan 17 18:46:25 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Brown X-Patchwork-Id: 9521731 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id C720F6020B for ; Tue, 17 Jan 2017 18:46:47 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B64822855B for ; Tue, 17 Jan 2017 18:46:47 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id AA8CD28574; Tue, 17 Jan 2017 18:46:47 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B30D027FAC for ; Tue, 17 Jan 2017 18:46:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751455AbdAQSqh (ORCPT ); Tue, 17 Jan 2017 13:46:37 -0500 Received: from mezzanine.sirena.org.uk ([106.187.55.193]:51910 "EHLO mezzanine.sirena.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751400AbdAQSqg (ORCPT ); Tue, 17 Jan 2017 13:46:36 -0500 Received: from [2001:470:1f1d:6b5::3] (helo=debutante) by mezzanine.sirena.org.uk with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.84_2) (envelope-from ) id 1cTYm4-0005ZO-5H; Tue, 17 Jan 2017 18:46:30 +0000 Received: from broonie by debutante with local (Exim 4.88) (envelope-from ) id 1cTYm1-0000XD-FR; Tue, 17 Jan 2017 18:46:25 +0000 From: Mark Brown To: Dan Carpenter Cc: Marek Szyprowski , Andi Shyti , Mark Brown , Kukjin Kim , Marek Szyprowski , Krzysztof Kozlowski , Javier Martinez Canillas , Andi Shyti , Mark Brown , linux-samsung-soc@vger.kernel.org, linux-spi@vger.kernel.org, kernel-janitors@vger.kernel.org, linux-spi@vger.kernel.org In-Reply-To: <20170113074253.GA30524@mwanda> Message-Id: Date: Tue, 17 Jan 2017 18:46:25 +0000 X-SA-Exim-Connect-IP: 2001:470:1f1d:6b5::3 X-SA-Exim-Mail-From: broonie@sirena.org.uk Subject: Applied "spi: s3c64xx: potential oops on probe error" to the spi tree X-SA-Exim-Version: 4.2.1 (built Mon, 26 Dec 2011 16:24:06 +0000) X-SA-Exim-Scanned: No (on mezzanine.sirena.org.uk); Unknown failure Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The patch spi: s3c64xx: potential oops on probe error has been applied to the spi tree at git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git All being well this means that it will be integrated into the linux-next tree (usually sometime in the next 24 hours) and sent to Linus during the next merge window (or sooner if it is a bug fix), however if problems are discovered then the patch may be dropped or reverted. You may get further e-mails resulting from automated or manual testing and review of the tree, please engage with people reporting problems and send followup patches addressing any issues that are reported if needed. If any updates are required or you are submitting further changes they should be sent as incremental updates against current git, existing patches will not be replaced. Please add any relevant lists and maintainers to the CCs when replying to this mail. Thanks, Mark From 72bc7ae0633e2b580217d254114ac6650380b7f6 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Fri, 13 Jan 2017 10:42:53 +0300 Subject: [PATCH] spi: s3c64xx: potential oops on probe error We accidentally mixed up freeing the rx and tx channels which would a leak and an oops. Fixes: 3d63a47a380a ("spi: s3c64xx: Don't request/release DMA channels for each SPI transfer") Signed-off-by: Dan Carpenter Acked-by: Marek Szyprowski Acked-by: Andi Shyti Signed-off-by: Mark Brown --- drivers/spi/spi-s3c64xx.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c index 849ee82483e4..b8cd356d8d10 100644 --- a/drivers/spi/spi-s3c64xx.c +++ b/drivers/spi/spi-s3c64xx.c @@ -1147,7 +1147,7 @@ static int s3c64xx_spi_probe(struct platform_device *pdev) if (IS_ERR(sdd->tx_dma.ch)) { dev_err(&pdev->dev, "Failed to get TX DMA channel\n"); ret = PTR_ERR(sdd->tx_dma.ch); - goto err_release_tx_dma; + goto err_release_rx_dma; } } @@ -1197,10 +1197,10 @@ static int s3c64xx_spi_probe(struct platform_device *pdev) pm_runtime_set_suspended(&pdev->dev); if (!is_polling(sdd)) - dma_release_channel(sdd->rx_dma.ch); -err_release_tx_dma: - if (!is_polling(sdd)) dma_release_channel(sdd->tx_dma.ch); +err_release_rx_dma: + if (!is_polling(sdd)) + dma_release_channel(sdd->rx_dma.ch); err_disable_io_clk: clk_disable_unprepare(sdd->ioclk); err_disable_src_clk: