Re: [Qemu-devel] [PATCH] qga: Fix handle fd leak in acquire_privilege()

[Luiz Capitulino <lcapitulino@redhat.com>]

On Mon, 19 May 2014 15:26:03 +0800
<arei.gonglei@huawei.com> wrote:

> From: Gonglei <arei.gonglei@huawei.com>
> 
> token should be closed in all conditions.
> So move CloseHandle(token) to "out" branch.

Looks good to me. Michael, are you going to pick this one?

> 
> Signed-off-by: Wang Rui <moon.wangrui@huawei.com>
> Signed-off-by: Gonglei <arei.gonglei@huawei.com>
> ---
>  qga/commands-win32.c | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/qga/commands-win32.c b/qga/commands-win32.c
> index d793dd0..e769396 100644
> --- a/qga/commands-win32.c
> +++ b/qga/commands-win32.c
> @@ -31,7 +31,7 @@
>  
>  static void acquire_privilege(const char *name, Error **errp)
>  {
> -    HANDLE token;
> +    HANDLE token = NULL;
>      TOKEN_PRIVILEGES priv;
>      Error *local_err = NULL;
>  
> @@ -53,13 +53,15 @@ static void acquire_privilege(const char *name, Error **errp)
>              goto out;
>          }
>  
> -        CloseHandle(token);
>      } else {
>          error_set(&local_err, QERR_QGA_COMMAND_FAILED,
>                    "failed to open privilege token");
>      }
>  
>  out:
> +    if (token) {
> +        CloseHandle(token);
> +    }
>      if (local_err) {
>          error_propagate(errp, local_err);
>      }