[PATCH 4.19 14/74] clk: sprd: Add check for return value of sprd_clk_regmap_init()

From: Greg Kroah-Hartman
Date: Mon Aug 05 2019 - 09:09:18 EST


[ Upstream commit c974c48deeb969c5e4250e4f06af91edd84b1f10 ]

sprd_clk_regmap_init() doesn't always return success, adding check
for its return value should make the code more strong.

Signed-off-by: Chunyan Zhang <zhang.chunyan@xxxxxxxxxx>
Reviewed-by: Baolin Wang <baolin.wang@xxxxxxxxxx>
[sboyd@xxxxxxxxxx: Add a missing int ret]
Signed-off-by: Stephen Boyd <sboyd@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/clk/sprd/sc9860-clk.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/clk/sprd/sc9860-clk.c b/drivers/clk/sprd/sc9860-clk.c
index 9980ab55271ba..f76305b4bc8df 100644
--- a/drivers/clk/sprd/sc9860-clk.c
+++ b/drivers/clk/sprd/sc9860-clk.c
@@ -2023,6 +2023,7 @@ static int sc9860_clk_probe(struct platform_device *pdev)
{
const struct of_device_id *match;
const struct sprd_clk_desc *desc;
+ int ret;

match = of_match_node(sprd_sc9860_clk_ids, pdev->dev.of_node);
if (!match) {
@@ -2031,7 +2032,9 @@ static int sc9860_clk_probe(struct platform_device *pdev)
}

desc = match->data;
- sprd_clk_regmap_init(pdev, desc);
+ ret = sprd_clk_regmap_init(pdev, desc);
+ if (ret)
+ return ret;

return sprd_clk_probe(&pdev->dev, desc->hw_clks);
}
--
2.20.1