iio: dln2: Check return value of devm_iio_trigger_register()
commit 90751fb9 upstream. Registering a trigger can fail and the return value of devm_iio_trigger_register() must be checked. Otherwise undefined behavior can occur when the trigger is used. Fixes: 7c0299e8 ("iio: adc: Add support for DLN2 ADC") Signed-off-by:Lars-Peter Clausen <lars@metafoo.de> Link: https://lore.kernel.org/r/20211101133043.6974-1-lars@metafoo.de Cc: <stable@vger.kernel.org> Signed-off-by:
Jonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
parent
69ae78c1
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