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gpiolib: fix of_gpio_hog error handling
Currently the error handling of gpio_get_num() checks the return value
of the previous of_property_read_u32_index() which has it's own error
check. Fix it by using the correct return value variable.

Fixes: 37e6bee7e5 ("gpiolib: Add support for GPIO "hog" nodes")
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
WIP_next-LS master next stable/v2018.12 v2020.07.0 v2020.06.0 v2020.05.0 v2020.04.0 v2020.03.0 v2020.02.0 v2020.01.0 v2019.12.0 v2019.11.0 v2019.10.0 v2019.09.0 v2019.08.1 v2019.08.0 v2019.07.0 v2019.06.1 v2019.06.0 v2019.05.0 v2019.04.0 v2019.03.0 v2019.02.0 v2019.01.0 v2018.12.0
1 parent 2c76867 commit 94d60ed19b966c1ff7644273aeb31bd89013df4f
@Marco Felsch Marco Felsch authored on 18 Oct 2018
Sascha Hauer committed on 19 Oct 2018
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drivers/gpio/gpiolib.c