Re: [Qemu-devel] [PATCH 23/31] vl: Clean up error reporting in device_init_func()

["Philippe Mathieu-Daudé" <philmd@redhat.com>]

On 08/10/2018 19:31, Markus Armbruster wrote:
> Calling error_report() in a function that takes an Error ** argument
> is suspicious.  device_init_func() does that, and then fails without
> setting an error.  Its caller main(), via qemu_opts_foreach(), is fine
> with it, but clean it up anyway.
> 
> Signed-off-by: Markus Armbruster <armbru@redhat.com>

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>

> ---
>  vl.c | 10 +++-------
>  1 file changed, 3 insertions(+), 7 deletions(-)
> 
> diff --git a/vl.c b/vl.c
> index a3a39ec06b..86eee4c798 100644
> --- a/vl.c
> +++ b/vl.c
> @@ -2222,12 +2222,10 @@ static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
>  
>  static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
>  {
> -    Error *err = NULL;
>      DeviceState *dev;
>  
> -    dev = qdev_device_add(opts, &err);
> +    dev = qdev_device_add(opts, errp);
>      if (!dev) {
> -        error_report_err(err);
>          return -1;
>      }
>      object_unref(OBJECT(dev));
> @@ -4444,10 +4442,8 @@ int main(int argc, char **argv, char **envp)
>  
>      /* init generic devices */
>      rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
> -    if (qemu_opts_foreach(qemu_find_opts("device"),
> -                          device_init_func, NULL, NULL)) {
> -        exit(1);
> -    }
> +    qemu_opts_foreach(qemu_find_opts("device"),
> +                      device_init_func, NULL, &error_fatal);
>  
>      cpu_synchronize_all_post_init();
>  
>