diff mbox

[v2] memory: mtk-smi: Handle return value of clk_prepare_enable

Message ID daeed02ff9e257286bbae9e4e496e40e4c5480c5.1502341483.git.arvind.yadav.cs@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Arvind Yadav Aug. 10, 2017, 5:17 a.m. UTC
clk_prepare_enable() can fail here and we must check its return value.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
---
changes in v2:
             Rebase patch[1]https://lkml.org/lkml/2017/8/3/968
             and apply this change. Otherwise will merge conflict.

 drivers/memory/mtk-smi.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

Comments

Joerg Roedel Aug. 15, 2017, 3:47 p.m. UTC | #1
On Thu, Aug 10, 2017 at 10:47:32AM +0530, Arvind Yadav wrote:
> clk_prepare_enable() can fail here and we must check its return value.
> 
> Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
> ---
> changes in v2:
>              Rebase patch[1]https://lkml.org/lkml/2017/8/3/968
>              and apply this change. Otherwise will merge conflict.
> 
>  drivers/memory/mtk-smi.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)

Applied, thanks.
diff mbox

Patch

diff --git a/drivers/memory/mtk-smi.c b/drivers/memory/mtk-smi.c
index 2b798bb..583fb8d 100644
--- a/drivers/memory/mtk-smi.c
+++ b/drivers/memory/mtk-smi.c
@@ -315,6 +315,7 @@  static int mtk_smi_common_probe(struct platform_device *pdev)
 	struct mtk_smi *common;
 	struct resource *res;
 	enum mtk_smi_gen smi_gen;
+	int ret;
 
 	if (!dev->pm_domain)
 		return -EPROBE_DEFER;
@@ -349,7 +350,9 @@  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);