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iio: adc: meson-saradc: add NULL check on of_match_device() return value
authorGustavo A. R. Silva <garsilva@embeddedor.com>
Fri, 7 Jul 2017 06:46:30 +0000 (01:46 -0500)
committerJonathan Cameron <Jonathan.Cameron@huawei.com>
Sun, 9 Jul 2017 18:04:23 +0000 (19:04 +0100)
commit2f9aeeed92a2911e8f1ec89cf7f5c16b8d054fe5
tree9f67676a2ad1d0f5e03bb506df5bd635bc797e7ftree | snapshot
parent0503deb820b19ffdefa5b0cc6557b2d2a7fdfc5ccommit | diff
iio: adc: meson-saradc: add NULL check on of_match_device() return value

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>
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
drivers/iio/adc/meson_saradc.c diff | blob | history
Domain: System / Kernel;