leds: an30259a: add a check for devm_regmap_init_i2c

an30259a_probe misses a check for devm_regmap_init_i2c and may cause problems. Add a check and print errors like other leds drivers. Signed-off-by: Chuhong Yuan <[email protected]> Signed-off-by: Pavel Machek <[email protected]>
laijs · Nov 3, 2019 · fc7b502 · fc7b502
1 parent 7c6082b
commit fc7b502
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/drivers/leds/leds-an30259a.c b/drivers/leds/leds-an30259a.c
@@ -305,6 +305,13 @@ static int an30259a_probe(struct i2c_client *client)
 
 	chip->regmap = devm_regmap_init_i2c(client, &an30259a_regmap_config);
 
+	if (IS_ERR(chip->regmap)) {
+		err = PTR_ERR(chip->regmap);
+		dev_err(&client->dev, "Failed to allocate register map: %d\n",
+			err);
+		goto exit;
+	}
+
 	for (i = 0; i < chip->num_leds; i++) {
 		struct led_init_data init_data = {};