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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 <arvind.yadav.cs@gmail.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Arvind Yadav 2017-08-08 11:16:38 +05:30 committed by Ulf Hansson
parent 2a641e5374
commit 78bb1fd7f1
1 changed files with 5 additions and 1 deletions
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6
drivers/mmc/host/wmt-sdmmc.c
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@ -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: