iio: adc: rockchip_saradc: add NULL check on of_match_device() return value

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Check return value from call to of_match_device()
in order to prevent a NULL pointer dereference.

In case of NULL print error message and return -ENODEV

Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

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Gustavo A. R. Silva 2017-07-07 01:51:31 -05:00 • committed by Jonathan Cameron

parent 2f9aeeed92

commit 36d311bc16

1 changed files with 5 additions and 0 deletions

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drivers/iio/adc/rockchip_saradc.c

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