tree c02e82adbed28ab857971022fca14ef7ee375b65
parent 7a7b5df84b6b4e5d599c7289526eed96541a0654
author Johan Hovold <johan@kernel.org> 1485771999 +0100
committer Jiri Kosina <jkosina@suse.cz> 1485863973 +0100

HID: cp2112: fix gpio-callback error handling

In case of a zero-length report, the gpio direction_input callback would
currently return success instead of an errno.

Fixes: 1ffb3c40ffb5 ("HID: cp2112: make transfer buffers DMA capable")
Cc: stable <stable@vger.kernel.org>     # 4.9
Signed-off-by: Johan Hovold <johan@kernel.org>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>