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iio: imu: adis16400: Fix sign extension
authorRasmus Villemoes <linux@rasmusvillemoes.dk>
Thu, 22 Jan 2015 23:34:02 +0000 (00:34 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 18 Mar 2015 12:31:25 +0000 (13:31 +0100)
commit33b3078b509b4e6732922ab34359fbcab076c2a5
tree1451052bea340140be95a9a921a980f182cf2ce0tree | snapshot
parent5687c343154446dc620f0ac12c228c47000a40f2commit | diff
iio: imu: adis16400: Fix sign extension

commit 19e353f2b344ad86cea6ebbc0002e5f903480a90 upstream.

The intention is obviously to sign-extend a 12 bit quantity. But
because of C's promotion rules, the assignment is equivalent to "val16
&= 0xfff;". Use the proper API for this.

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/iio/imu/adis16400_core.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git