linux-kernel - [PATCH 5.2 024/131] clk: sprd: Add check for return value of sprd_clk_regmap

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Message-Id: <20190805124953.060478312@linuxfoundation.org>
Date:   Mon,  5 Aug 2019 15:01:51 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Chunyan Zhang <zhang.chunyan@...aro.org>,
        Baolin Wang <baolin.wang@...aro.org>,
        Stephen Boyd <sboyd@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.2 024/131] clk: sprd: Add check for return value of sprd_clk_regmap_init()

[ 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@...aro.org>
Reviewed-by: Baolin Wang <baolin.wang@...aro.org>
[sboyd@...nel.org: Add a missing int ret]
Signed-off-by: Stephen Boyd <sboyd@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 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