Input: evdev - fix overflow in compat_ioctl

When exporting input device bitmaps via compat_ioctl on BIG_ENDIAN
platforms evdev calculates data size incorrectly. This causes buffer
overflow if user specifies buffer smaller than maxlen.

Signed-off-by: Kenichi Nagai <[email protected]>
Signed-off-by: Dmitry Torokhov <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
1 file changed