gpio: fix line flag validation in lineevent_create
authorKent Gibson <warthog618@gmail.com>
Mon, 9 Sep 2019 03:24:06 +0000 (03:24 +0000)
committerBartosz Golaszewski <bgolaszewski@baylibre.com>
Mon, 9 Sep 2019 08:04:53 +0000 (10:04 +0200)
commit5ca2f54b597c816df54ff1b28eb99cf7262b955d
tree158207ff86be94a683e53eb7d228d519f721751d
parente95fbc130a162ba9ad956311b95aa0da269eea48
gpio: fix line flag validation in lineevent_create

lineevent_create should not allow any of GPIOHANDLE_REQUEST_OUTPUT,
GPIOHANDLE_REQUEST_OPEN_DRAIN or GPIOHANDLE_REQUEST_OPEN_SOURCE to be set.

Fixes: d7c51b47ac11 ("gpio: userspace ABI for reading/writing GPIO lines")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Kent Gibson <warthog618@gmail.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
drivers/gpio/gpiolib.c