On Tue, Jul 16, 2024 at 5:05 AM Zhao Liu wrote:
>
> On Mon, Jul 15, 2024 at 11:01:08PM +0200, Eugenio Perez Martin wrote:
> > Date: Mon, 15 Jul 2024 23:01:08 +0200
> > From: Eugenio Perez Martin
> > Subject: Re: [PATCH] hw/virtio/vdpa-dev: Check returned value instead of
On Mon, Jul 15, 2024 at 11:01:08PM +0200, Eugenio Perez Martin wrote:
> Date: Mon, 15 Jul 2024 23:01:08 +0200
> From: Eugenio Perez Martin
> Subject: Re: [PATCH] hw/virtio/vdpa-dev: Check returned value instead of
> dereferencing @errp
>
> On Mon, Jul 15, 2024 at 11:45
On Mon, Jul 15, 2024 at 11:45 AM Zhao Liu wrote:
>
> As the comment in qapi/error, dereferencing @errp requires
> ERRP_GUARD():
>
> * = Why, when and how to use ERRP_GUARD() =
> *
> * Without ERRP_GUARD(), use of the @errp parameter is restricted:
> * - It must not be dereferenced, because it may
As the comment in qapi/error, dereferencing @errp requires
ERRP_GUARD():
* = Why, when and how to use ERRP_GUARD() =
*
* Without ERRP_GUARD(), use of the @errp parameter is restricted:
* - It must not be dereferenced, because it may be null.
...
* ERRP_GUARD() lifts these restrictions.
*
* To use
