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| author | Vojtech Pavlik <vojtech@suse.cz> | 2005-07-24 09:50:03 +0400 |
|---|---|---|
| committer | Dmitry Torokhov <dtor_core@ameritech.net> | 2005-07-24 09:50:03 +0400 |
| commit | 5ac7ba3ff599d66ffde182676f2e4fbcac61a2fe (patch) | |
| tree | 5c8e25dc2797cb0e063c38afda2dbbf292e34bd3 /drivers/char/keyboard.c | |
| parent | 463a4f76a79bce00ca8964e0b2ebf7f10f376965 (diff) | |
| download | linux-5ac7ba3ff599d66ffde182676f2e4fbcac61a2fe.tar.xz | |
Input: check keycodesize when adjusting keymaps
When changing key mappings we need to make sure that the new
keycode value can be stored in dev->keycodesize bytes.
Signed-off-by: Vojtech Pavlik <vojtech@suse.cz>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/char/keyboard.c')
| -rw-r--r-- | drivers/char/keyboard.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/char/keyboard.c b/drivers/char/keyboard.c index 7b19e02f112f..523fd3c8bbaa 100644 --- a/drivers/char/keyboard.c +++ b/drivers/char/keyboard.c @@ -198,10 +198,10 @@ int setkeycode(unsigned int scancode, unsigned int keycode) if (scancode >= dev->keycodemax) return -EINVAL; - if (keycode > KEY_MAX) - return -EINVAL; if (keycode < 0 || keycode > KEY_MAX) return -EINVAL; + if (keycode >> (dev->keycodesize * 8)) + return -EINVAL; oldkey = SET_INPUT_KEYCODE(dev, scancode, keycode); |