staging: iio: accel: fix error check
authorLuis de Bethencourt <luisbg@osg.samsung.com>
Wed, 22 Jun 2016 19:43:30 +0000 (20:43 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 27 Jul 2016 16:47:36 +0000 (09:47 -0700)
commit601818bdd4b0cef2e578030b09fb9ad632a4c7b6
tree8ace45f5a515750e1688f9c52bc64069f967304f
parent784108d9df5aea1d58d2a56900efaa8149507964
staging: iio: accel: fix error check

commit ef3149eb3ddb7f9125e11c90f8330e371b55cffd upstream.

sca3000_read_ctrl_reg() returns a negative number on failure, check for
this instead of zero.

Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/iio/accel/sca3000_core.c