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Message-Id: <20190802092249.464387097@linuxfoundation.org>
Date:   Fri,  2 Aug 2019 11:36:48 +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, Axel Lin <axel.lin@...ics.com>,
        Chen Feng <puck.chen@...ilicon.com>,
        Lee Jones <lee.jones@...aro.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.9 183/223] mfd: hi655x-pmic: Fix missing return value check for devm_regmap_init_mmio_clk

[ Upstream commit 7efd105c27fd2323789b41b64763a0e33ed79c08 ]

Since devm_regmap_init_mmio_clk can fail, add return value checking.

Signed-off-by: Axel Lin <axel.lin@...ics.com>
Acked-by: Chen Feng <puck.chen@...ilicon.com>
Signed-off-by: Lee Jones <lee.jones@...aro.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/mfd/hi655x-pmic.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/mfd/hi655x-pmic.c b/drivers/mfd/hi655x-pmic.c
index 11347a3e6d40..c311b869be38 100644
--- a/drivers/mfd/hi655x-pmic.c
+++ b/drivers/mfd/hi655x-pmic.c
@@ -111,6 +111,8 @@ static int hi655x_pmic_probe(struct platform_device *pdev)
 
 	pmic->regmap = devm_regmap_init_mmio_clk(dev, NULL, base,
 						 &hi655x_regmap_config);
+	if (IS_ERR(pmic->regmap))
+		return PTR_ERR(pmic->regmap);
 
 	regmap_read(pmic->regmap, HI655X_BUS_ADDR(HI655X_VER_REG), &pmic->ver);
 	if ((pmic->ver < PMU_VER_START) || (pmic->ver > PMU_VER_END)) {
-- 
2.20.1



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