Re: [Xen-devel] [PATCH]tools/libxl: fix a bug in libxl__build_device_model_args_new. info->vncpasswd can't be empty if info->vncpasswd != NULL

[Christoph Egger <Christoph.Egger@xxxxxxx>]

On 04/15/11 10:33, ZhouPeng wrote:
> Signed-off-by: Zhou Peng<zhoupeng@xxxxxxxxxxxxxxx>
>
> tools/libxl: fix a bug in libxl__build_device_model_args_new. info->vncpasswd 
> can't be empty if info->vncpasswd != NULL
NACK!  This can info->vncpasswd[0] contains '\0' if you have


   vncpasswd=''

in the guest config file.

Christoph


> diff -r 3f00c5faa12a tools/libxl/libxl_dm.c
> --- a/tools/libxl/libxl_dm.c    Wed Apr 13 16:10:26 2011 +0100
> +++ b/tools/libxl/libxl_dm.c    Fri Apr 15 09:45:43 2011 +0800
> @@ -209,7 +209,7 @@ static char ** libxl__build_device_model
>           int display = 0;
>           const char *listen = "127.0.0.1";
>
> -        if (info->vncpasswd&&  info->vncpasswd[0]) {
> +        if (info->vncpasswd&&  !info->vncpasswd[0]) {
>               assert(!"missing code for supplying vnc password to qemu");
>           }
>           flexarray_append(dm_args, "-vnc");
>
> --
> Zhou Peng
> Operating System Technology Group
> Institute of Software, the Chinese Academy of Sciences (ISCAS)
> <mailto:ailvpeng25@xxxxxxxxx>
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