[Intel-gfx] [PATCH 2/4] include/linux/ascii85: Update ascii85_encode()

[Jordan Crouse]

On Tue, Nov 20, 2018 at 05:07:29PM +0530, Sharat Masetty wrote:
> The current implementation of ascii85_encode() does not copy the encoded
> buffer 'z' to the output buffer in case the input is zero. This patch
> simply adds this missing piece. This makes it easier to use this
> function to encode large buffers.
> 
> Signed-off-by: Sharat Masetty <smasetty at codeaurora.org>

Adding intel-gfx since they are the other consumers of this code but this seems
legit to me.

Jordan

> ---
>  include/linux/ascii85.h | 8 ++++++--
>  1 file changed, 6 insertions(+), 2 deletions(-)
> 
> diff --git a/include/linux/ascii85.h b/include/linux/ascii85.h
> index 4cc4020..00646fc 100644
> --- a/include/linux/ascii85.h
> +++ b/include/linux/ascii85.h
> @@ -23,8 +23,12 @@
>  {
>  	int i;
>  
> -	if (in == 0)
> -		return "z";
> +	if (in == 0) {
> +		out[0] = 'z';
> +		out[1] = '\0';
> +
> +		return out;
> +	}
>  
>  	out[5] = '\0';
>  	for (i = 5; i--; ) {
> -- 
> 1.9.1
> 

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