[PATCH AUTOSEL 5.2 101/171] mfd: hi655x-pmic: Fix missing return value check for devm_regmap_init_mmio_clk

[Sasha Levin]

From: Axel Lin <axel....@ingics.com>

[ Upstream commit 7efd105c27fd2323789b41b64763a0e33ed79c08 ]

Since devm_regmap_init_mmio_clk can fail, add return value checking.

Signed-off-by: Axel Lin <axel....@ingics.com>
Acked-by: Chen Feng <puck.c...@hisilicon.com>
Signed-off-by: Lee Jones <lee.jo...@linaro.org>
Signed-off-by: Sasha Levin <sas...@kernel.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 f1c51ce309fa..7e3959aaa285 100644
--- a/drivers/mfd/hi655x-pmic.c
+++ b/drivers/mfd/hi655x-pmic.c
@@ -109,6 +109,8 @@ 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