Messages in this thread Patch in this message | | | From | Arvind Yadav <> | Subject | [PATCH 08/11] ASoC: sun4i-spdif: Handle return value of clk_prepare_enable. | Date | Tue, 25 Jul 2017 15:45:18 +0530 |
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clk_prepare_enable() can fail here and we must check its return value.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> --- sound/soc/sunxi/sun4i-spdif.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/sound/soc/sunxi/sun4i-spdif.c b/sound/soc/sunxi/sun4i-spdif.c index eaefd07..4a316c0 100644 --- a/sound/soc/sunxi/sun4i-spdif.c +++ b/sound/soc/sunxi/sun4i-spdif.c @@ -458,11 +458,16 @@ static int sun4i_spdif_runtime_suspend(struct device *dev) static int sun4i_spdif_runtime_resume(struct device *dev) { struct sun4i_spdif_dev *host = dev_get_drvdata(dev); + int ret; - clk_prepare_enable(host->spdif_clk); - clk_prepare_enable(host->apb_clk); + ret = clk_prepare_enable(host->spdif_clk); + if (ret) + return ret; + ret = clk_prepare_enable(host->apb_clk); + if (ret) + clk_disable_unprepare(host->spdif_clk); - return 0; + return ret; } static int sun4i_spdif_probe(struct platform_device *pdev) -- 1.9.1
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