[PATCH 5.4 205/314] rtc: rv3028: Add missed check for devm_regmap_init_i2c()

[Greg Kroah-Hartman]

From: Chuhong Yuan <hsleste...@gmail.com>

[ Upstream commit c3b29bf6f166f6ed5f04f9c125477358e0e25df8 ]

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 <hsleste...@gmail.com>
Signed-off-by: Alexandre Belloni <alexandre.bell...@bootlin.com>
Link: https://lore.kernel.org/r/20200528103950.912353-1-hsleste...@gmail.com
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
 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 2b316661a5782..bbdfebd706442 100644
--- a/drivers/rtc/rtc-rv3028.c
+++ b/drivers/rtc/rtc-rv3028.c
@@ -625,6 +625,8 @@ 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);
 
-- 
2.25.1