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Date: Wed, 6 Mar 2019 21:49:49 +0800 From: Axel Lin <axel.lin@...ics.com> To: Lee Jones <lee.jones@...aro.org> Cc: Chen Feng <puck.chen@...ilicon.com>, linux-kernel@...r.kernel.org, Axel Lin <axel.lin@...ics.com> Subject: [PATCH] mfd: hi655x-pmic: Fix missing return value check for devm_regmap_init_mmio_clk Since devm_regmap_init_mmio_clk can fail, add return value checking. Signed-off-by: Axel Lin <axel.lin@...ics.com> --- 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 96c07fa1802a..6693f74aa6ab 100644 --- a/drivers/mfd/hi655x-pmic.c +++ b/drivers/mfd/hi655x-pmic.c @@ -112,6 +112,8 @@ 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)) { -- 2.17.1
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