From: Christophe JAILLET <christophe.jaillet@wanadoo.fr> To: ulf.hansson@linaro.org, cjb@laptop.org, dan.carpenter@oracle.com Cc: linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mmc@vger.kernel.org, Christophe JAILLET <christophe.jaillet@wanadoo.fr> Subject: [PATCH v2] mmc: wmt-sdmmc: Fix an error handling path in wmt_mci_probe() Date: Thu, 22 Sep 2022 21:06:40 +0200 [thread overview] Message-ID: <53fc6ffa5d1c428fefeae7d313cf4a669c3a1e98.1663873255.git.christophe.jaillet@wanadoo.fr> (raw) A dma_free_coherent() call is missing in the error handling path of the probe, as already done in the remove function. Fixes: 3a96dff0f828 ("mmc: SD/MMC Host Controller for Wondermedia WM8505/WM8650") Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> --- Changes since v1: * Add and use the (ugly named) 'fail5_and_a_half' label [Dan Carpenter <dan.carpenter@oracle.com>] v1: https://lore.kernel.org/all/bf2e2e69226b20d173cce66287f59488fd47474b.1646588375.git.christophe.jaillet@wanadoo.fr/ --- drivers/mmc/host/wmt-sdmmc.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/mmc/host/wmt-sdmmc.c b/drivers/mmc/host/wmt-sdmmc.c index 163ac9df8cca..9b5c503e3a3f 100644 --- a/drivers/mmc/host/wmt-sdmmc.c +++ b/drivers/mmc/host/wmt-sdmmc.c @@ -846,7 +846,7 @@ static int wmt_mci_probe(struct platform_device *pdev) if (IS_ERR(priv->clk_sdmmc)) { dev_err(&pdev->dev, "Error getting clock\n"); ret = PTR_ERR(priv->clk_sdmmc); - goto fail5; + goto fail5_and_a_half; } ret = clk_prepare_enable(priv->clk_sdmmc); @@ -863,6 +863,9 @@ static int wmt_mci_probe(struct platform_device *pdev) return 0; fail6: clk_put(priv->clk_sdmmc); +fail5_and_a_half: + dma_free_coherent(&pdev->dev, mmc->max_blk_count * 16, + priv->dma_desc_buffer, priv->dma_desc_device_addr); fail5: free_irq(dma_irq, priv); fail4: -- 2.34.1
WARNING: multiple messages have this Message-ID (diff)
From: Christophe JAILLET <christophe.jaillet@wanadoo.fr> To: ulf.hansson@linaro.org, cjb@laptop.org, dan.carpenter@oracle.com Cc: linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mmc@vger.kernel.org, Christophe JAILLET <christophe.jaillet@wanadoo.fr> Subject: [PATCH v2] mmc: wmt-sdmmc: Fix an error handling path in wmt_mci_probe() Date: Thu, 22 Sep 2022 21:06:40 +0200 [thread overview] Message-ID: <53fc6ffa5d1c428fefeae7d313cf4a669c3a1e98.1663873255.git.christophe.jaillet@wanadoo.fr> (raw) A dma_free_coherent() call is missing in the error handling path of the probe, as already done in the remove function. Fixes: 3a96dff0f828 ("mmc: SD/MMC Host Controller for Wondermedia WM8505/WM8650") Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> --- Changes since v1: * Add and use the (ugly named) 'fail5_and_a_half' label [Dan Carpenter <dan.carpenter@oracle.com>] v1: https://lore.kernel.org/all/bf2e2e69226b20d173cce66287f59488fd47474b.1646588375.git.christophe.jaillet@wanadoo.fr/ --- drivers/mmc/host/wmt-sdmmc.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/mmc/host/wmt-sdmmc.c b/drivers/mmc/host/wmt-sdmmc.c index 163ac9df8cca..9b5c503e3a3f 100644 --- a/drivers/mmc/host/wmt-sdmmc.c +++ b/drivers/mmc/host/wmt-sdmmc.c @@ -846,7 +846,7 @@ static int wmt_mci_probe(struct platform_device *pdev) if (IS_ERR(priv->clk_sdmmc)) { dev_err(&pdev->dev, "Error getting clock\n"); ret = PTR_ERR(priv->clk_sdmmc); - goto fail5; + goto fail5_and_a_half; } ret = clk_prepare_enable(priv->clk_sdmmc); @@ -863,6 +863,9 @@ static int wmt_mci_probe(struct platform_device *pdev) return 0; fail6: clk_put(priv->clk_sdmmc); +fail5_and_a_half: + dma_free_coherent(&pdev->dev, mmc->max_blk_count * 16, + priv->dma_desc_buffer, priv->dma_desc_device_addr); fail5: free_irq(dma_irq, priv); fail4: -- 2.34.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next reply other threads:[~2022-09-22 19:06 UTC|newest] Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-09-22 19:06 Christophe JAILLET [this message] 2022-09-22 19:06 ` [PATCH v2] mmc: wmt-sdmmc: Fix an error handling path in wmt_mci_probe() Christophe JAILLET 2022-09-23 9:09 ` Dan Carpenter 2022-09-23 9:09 ` Dan Carpenter 2022-09-27 12:13 ` Ulf Hansson 2022-09-27 12:13 ` Ulf Hansson
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