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leds: an30259a: add a check for devm_regmap_init_i2c 

[ Upstream commit fc7b5028f2 ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
5.4-rM2-2.2.x-imx-squashed
Chuhong Yuan 2019-10-16 20:54:03 +08:00 committed by Greg Kroah-Hartman
parent af4eac2a28
commit fd2f1bc5b6
1 changed files with 7 additions and 0 deletions
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7
drivers/leds/leds-an30259a.c
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@ -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 = {};