From: Arvind Yadav Date: Tue, 8 Aug 2017 05:46:38 +0000 (+0530) Subject: mmc: wmt-sdmmc: Handle return value of clk_prepare_enable X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=78bb1fd7f15066ee300fa5adf3af005f4b7a365c;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git mmc: wmt-sdmmc: Handle return value of clk_prepare_enable clk_prepare_enable() can fail here and we must check its return value. Signed-off-by: Arvind Yadav Signed-off-by: Ulf Hansson --- diff --git a/drivers/mmc/host/wmt-sdmmc.c b/drivers/mmc/host/wmt-sdmmc.c index 50fe69d9b85d..fd30ac7da5e5 100644 --- a/drivers/mmc/host/wmt-sdmmc.c +++ b/drivers/mmc/host/wmt-sdmmc.c @@ -856,7 +856,9 @@ static int wmt_mci_probe(struct platform_device *pdev) goto fail5; } - clk_prepare_enable(priv->clk_sdmmc); + ret = clk_prepare_enable(priv->clk_sdmmc); + if (ret) + goto fail6; /* configure the controller to a known 'ready' state */ wmt_reset_hardware(mmc); @@ -866,6 +868,8 @@ static int wmt_mci_probe(struct platform_device *pdev) dev_info(&pdev->dev, "WMT SDHC Controller initialized\n"); return 0; +fail6: + clk_put(priv->clk_sdmmc); fail5: free_irq(dma_irq, priv); fail4: