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gpiolib: acpi: Don't contaminate return parameter in case of error

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If error occurs, leave lookup parameter untouched.

There is no functional change, since all current callers just bail out
in case of error without using the assigned pieces.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Andy Shevchenko 2017-11-10 15:40:29 +02:00 committed by Linus Walleij
parent f67a6c11f9
commit 08be1a795d
1 changed files with 1 additions and 1 deletions
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2
drivers/gpio/gpiolib-acpi.c
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@ -585,7 +585,6 @@ static int acpi_gpio_property_lookup(struct fwnode_handle *fwnode,
* The property was found and resolved, so need to lookup the GPIO based
* on returned args.
*/
lookup->adev = args.adev;
if (args.nargs != 3)
return -EPROTO;
@ -593,6 +592,7 @@ static int acpi_gpio_property_lookup(struct fwnode_handle *fwnode,
lookup->pin_index = args.args[1];
lookup->active_low = !!args.args[2];
lookup->adev = args.adev;
return 0;
}