tree c5bfc29767e0a1874903c3675f62548791a80b23
parent 572974610273d58b35d6632eb3a07b6f048c5b89
author Slawomir Stepien <sst@poczta.fm> 1540069451 +0200
committer Jonathan Cameron <Jonathan.Cameron@huawei.com> 1540127826 +0100

staging: iio: adc: ad7280a: handle error from __ad7280_read32()

Inside __ad7280_read32(), the spi_sync_transfer() can fail with negative
error code. This change will ensure that this error is being passed up
in the call stack, so it can be handled.

Signed-off-by: Slawomir Stepien <sst@poczta.fm>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>