From 7efd105c27fd2323789b41b64763a0e33ed79c08 Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@ingics.com>
Date: Wed, 26 Jun 2019 21:30:07 +0800
Subject: [PATCH] mfd: hi655x-pmic: Fix missing return value check for devm_regmap_init_mmio_clk
Git-commit: 7efd105c27fd2323789b41b64763a0e33ed79c08
Patch-mainline: v5.3-rc1
References: bsc#1051510
Since devm_regmap_init_mmio_clk can fail, add return value checking.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Chen Feng <puck.chen@hisilicon.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
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)) {
--
2.16.4