From 61c03b631b74a38ab53753f3ee971a55886d4843 Mon Sep 17 00:00:00 2001 From: Chuhong Yuan Date: Thu, 17 Oct 2019 22:46:56 -0300 Subject: media: st-mipid02: add a check for devm_gpiod_get_optional mipid02_probe misses a check for devm_gpiod_get_optional and may miss the failure. Add a check to fix the problem. Signed-off-by: Chuhong Yuan Signed-off-by: Sakari Ailus Signed-off-by: Mauro Carvalho Chehab --- drivers/media/i2c/st-mipid02.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'drivers/media/i2c') diff --git a/drivers/media/i2c/st-mipid02.c b/drivers/media/i2c/st-mipid02.c index 81285b8d5cfb..003ba22334cd 100644 --- a/drivers/media/i2c/st-mipid02.c +++ b/drivers/media/i2c/st-mipid02.c @@ -971,6 +971,11 @@ static int mipid02_probe(struct i2c_client *client) bridge->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH); + if (IS_ERR(bridge->reset_gpio)) { + dev_err(dev, "failed to get reset GPIO\n"); + return PTR_ERR(bridge->reset_gpio); + } + ret = mipid02_get_regulators(bridge); if (ret) { dev_err(dev, "failed to get regulators %d", ret); -- cgit v1.2.3