Input: fix typo in keycode validation supporting large scancodes

Check the input_keymap_entry keycode size (u32) instead of the device's
(void*) when validating that keycode value can be stored in the keymap.

Fixes: https://bugzilla.kernel.org/show_bug.cgi?id=22722

Signed-off-by: Mattia Dongili <malattia@linux.it>
Tested-by: Norbert Preining <preining@logic.at>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

diff --git a/drivers/input/input.c b/drivers/input/input.c
index 7f26ca6..5edc41a 100644 (file)
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -753,7 +753,7 @@ static int input_default_setkeycode(struct input_dev *dev,
        if (index >= dev->keycodemax)
                return -EINVAL;
 
-       if (dev->keycodesize < sizeof(dev->keycode) &&
+       if (dev->keycodesize < sizeof(ke->keycode) &&
                        (ke->keycode >> (dev->keycodesize * 8)))
                return -EINVAL;