From fc7b5028f2627133c7c18734715a08829eab4d1f Mon Sep 17 00:00:00 2001
From: Chuhong Yuan <hslester96@gmail.com>
Date: Wed, 16 Oct 2019 20:54:03 +0800
Subject: [PATCH] leds: an30259a: add a check for devm_regmap_init_i2c
Git-commit: fc7b5028f2627133c7c18734715a08829eab4d1f
Patch-mainline: v5.5-rc1
References: git-fixes
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 <hslester96@gmail.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/leds/leds-an30259a.c | 7 +++++++
1 file changed, 7 insertions(+)
--- a/drivers/leds/leds-an30259a.c
+++ b/drivers/leds/leds-an30259a.c
@@ -311,6 +311,13 @@ static int an30259a_probe(struct i2c_cli
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++) {
an30259a_init_default_state(&chip->leds[i]);
chip->leds[i].cdev.brightness_set_blocking =