[libvirt] [PATCH libvirt-glib] Don't reference GError **err parameter if it is NULL

[Zeeshan Ali (Khattak)]

On Tue, Nov 22, 2011 at 4:18 PM, Daniel P. Berrange <berrange at redhat.com> wrote:
> From: "Daniel P. Berrange" <berrange at redhat.com>
>
> ---
>  libvirt-gobject/libvirt-gobject-connection.c     |  104 +++++++++++++---------
>  libvirt-gobject/libvirt-gobject-domain.c         |   70 ++++++++------
>  libvirt-gobject/libvirt-gobject-interface.c      |    7 +-
>  libvirt-gobject/libvirt-gobject-network-filter.c |    7 +-
>  libvirt-gobject/libvirt-gobject-network.c        |    7 +-
>  libvirt-gobject/libvirt-gobject-node-device.c    |    7 +-
>  libvirt-gobject/libvirt-gobject-secret.c         |    7 +-
>  libvirt-gobject/libvirt-gobject-storage-pool.c   |   53 +++++++-----
>  libvirt-gobject/libvirt-gobject-storage-vol.c    |    7 +-
>  9 files changed, 158 insertions(+), 111 deletions(-)
>
> diff --git a/libvirt-gobject/libvirt-gobject-connection.c b/libvirt-gobject/libvirt-gobject-connection.c
> index affb496..35be5e3 100644
> --- a/libvirt-gobject/libvirt-gobject-connection.c
> +++ b/libvirt-gobject/libvirt-gobject-connection.c
> @@ -389,19 +389,21 @@ gboolean gvir_connection_open(GVirConnection *conn,
>
>     g_mutex_lock(priv->lock);
>     if (priv->conn) {
> -        *err = g_error_new(GVIR_CONNECTION_ERROR,
> -                           0,
> -                           "Connection %s is already open",
> -                           priv->uri);
> +        if (err)
> +            *err = g_error_new(GVIR_CONNECTION_ERROR,
> +                               0,
> +                               "Connection %s is already open",
> +                               priv->uri);
>         g_mutex_unlock(priv->lock);
>         return FALSE;
>     }

  I think we better just make use of g_set_error as it does the null
check for us.

-- 
Regards,

Zeeshan Ali (Khattak)
FSF member#5124