iio: buffer: remove unneeded test

The same code is executed regardless ret value, so this test
can be removed.
Also fix coverity scan CID 1268786.

Signed-off-by: Laurent Navet <laurent.navet@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Laurent Navet 2015-05-30 22:35:36 +02:00 • committed by Jonathan Cameron
commit ff7d4f5981