From c3b29bf6f166f6ed5f04f9c125477358e0e25df8 Mon Sep 17 00:00:00 2001
From: Chuhong Yuan <hslester96@gmail.com>
Date: Thu, 28 May 2020 18:39:50 +0800
Subject: [PATCH] rtc: rv3028: Add missed check for devm_regmap_init_i2c()
Git-commit: c3b29bf6f166f6ed5f04f9c125477358e0e25df8
Patch-mainline: v5.8-rc1
References: git-fixes

rv3028_probe() misses a check for devm_regmap_init_i2c().
Add the missed check to fix it.

Fixes: e6e7376cfd7b ("rtc: rv3028: add new driver")
Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20200528103950.912353-1-hslester96@gmail.com
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 drivers/rtc/rtc-rv3028.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/rtc/rtc-rv3028.c b/drivers/rtc/rtc-rv3028.c
index a0ddc86c975a..ec84db0b3d7a 100644
--- a/drivers/rtc/rtc-rv3028.c
+++ b/drivers/rtc/rtc-rv3028.c
@@ -755,6 +755,8 @@ static int rv3028_probe(struct i2c_client *client)
 		return -ENOMEM;
 
 	rv3028->regmap = devm_regmap_init_i2c(client, &regmap_config);
+	if (IS_ERR(rv3028->regmap))
+		return PTR_ERR(rv3028->regmap);
 
 	i2c_set_clientdata(client, rv3028);
 
-- 
2.16.4