Re: [PATCH] Fix braille keyboard keysym generation

[Andrew Morton]

On Tue, 17 Nov 2009 14:51:11 +0100
Samuel Thibault <samuel.thibault@xxxxxxxxxxxx> wrote:

> Keysyms stored in key_map[] are not simply K() values, but U(K())
> values, as can be seen in the KDSKBENT ioctl handler.  The
> kernel-generated braille keysyms thus need a U() call too.
> 
> Signed-off-by: Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>
> 
> diff --git a/drivers/char/keyboard.c b/drivers/char/keyboard.c
> index 737be95..82c493e 100644
> --- a/drivers/char/keyboard.c
> +++ b/drivers/char/keyboard.c
> @@ -1249,7 +1249,7 @@ static void kbd_keycode(unsigned int keycode, int down, int hw_raw)
>  
>  	if (keycode >= NR_KEYS)
>  		if (keycode >= KEY_BRL_DOT1 && keycode <= KEY_BRL_DOT8)
> -			keysym = K(KT_BRL, keycode - KEY_BRL_DOT1 + 1);
> +			keysym = U(K(KT_BRL, keycode - KEY_BRL_DOT1 + 1));
>  		else
>  			return;
>  	else

Sorry, but I cannot work out (with a reasonable amount of effort) what
the user-visible effects of this bug are likely to be.  So I am not in
a position to decide which kernel(s) this patch should be merged into.

Please be careful to include this aspect in the changelog when
appropriate, thanks.

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