Re: [Xen-devel] [PATCH v4 21/23] xen/vpl011: buffer out chars when the backend is xen

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 05.10.18 at 20:47, <sstabellini@xxxxxxxxxx> wrote:
> --- a/xen/drivers/char/console.c
> +++ b/xen/drivers/char/console.c
> @@ -406,6 +406,13 @@ static void dump_console_ring_key(unsigned char key)
>   */
>  static unsigned int __read_mostly console_rx = 0;
>  
> +struct domain *console_input_domain(void)
> +{
> +    if ( console_rx == 0 )
> +            return NULL;
> +    return get_domain_by_id(console_rx - 1);

This acquires a domain reference, yet I can't see that reference
getting dropped anywhere in the caller.

Jan



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