diff options
author | Chuhong Yuan <hslester96@gmail.com> | 2019-10-16 20:54:03 +0800 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-01-04 19:17:03 +0100 |
commit | fd2f1bc5b673328f3b14ecd1da8d7389c862bea9 (patch) | |
tree | c46e582084683e6dfe40a48e44ada2d260a45ddc /drivers/leds | |
parent | af4eac2a2871a97f6284f816930ab612bbd6c01c (diff) |
leds: an30259a: add a check for devm_regmap_init_i2c
[ Upstream commit fc7b5028f2627133c7c18734715a08829eab4d1f ]
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>
Diffstat (limited to 'drivers/leds')
-rw-r--r-- | drivers/leds/leds-an30259a.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/leds/leds-an30259a.c b/drivers/leds/leds-an30259a.c index 250dc9d6f635..82350a28a564 100644 --- 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 = {}; |