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media: st-mipid02: add a check for devm_gpiod_get_optional

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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 <hslester96@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Chuhong Yuan 2019-10-17 22:46:56 -03:00 committed by Mauro Carvalho Chehab
parent 828dbc2992
commit 61c03b631b
1 changed files with 5 additions and 0 deletions
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5
drivers/media/i2c/st-mipid02.c
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@ -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);