I noticed that - unlike sysfs - it's possible to set values of input lines from user space using the character device. There's actually even a TODO in the linehandle_ioctl() code.
This is not correct so the first patches fixes that and the second removes a TODO that's not really needed. Bartosz Golaszewski (2): gpiolib: don't allow userspace to set values of input lines gpiolib: remove an unneccessary TODO drivers/gpio/gpiolib.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) -- 2.17.1
