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

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[ Upstream commit 0559ef7fde ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Slawomir Stepien 2018-10-20 23:04:11 +02:00 • committed by Greg Kroah-Hartman

parent de6a6f5151

commit 791caa38f1

1 changed files with 13 additions and 4 deletions

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drivers/staging/iio/adc/ad7280a.c

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