[PATCH] memory: mtk-smi: Handle return value of clk_prepare_enable

From: Arvind Yadav
Date: Tue Aug 08 2017 - 01:36:41 EST


clk_prepare_enable() can fail here and we must check its return value.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>
---
drivers/memory/mtk-smi.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/memory/mtk-smi.c b/drivers/memory/mtk-smi.c
index 4afbc41..edf36f0 100644
--- a/drivers/memory/mtk-smi.c
+++ b/drivers/memory/mtk-smi.c
@@ -321,6 +321,7 @@ static int mtk_smi_common_probe(struct platform_device *pdev)
struct resource *res;
const struct of_device_id *of_id;
enum mtk_smi_gen smi_gen;
+ int ret;

if (!dev->pm_domain)
return -EPROBE_DEFER;
@@ -359,7 +360,9 @@ static int mtk_smi_common_probe(struct platform_device *pdev)
if (IS_ERR(common->clk_async))
return PTR_ERR(common->clk_async);

- clk_prepare_enable(common->clk_async);
+ ret = clk_prepare_enable(common->clk_async);
+ if (ret)
+ return ret;
}
pm_runtime_enable(dev);
platform_set_drvdata(pdev, common);
--
1.9.1