[libvirt] [PATCH v12 01/11] change used_by: specify both driver and domain

Daniel P. Berrange berrange at redhat.com
Fri Feb 21 11:27:33 UTC 2014


On Mon, Feb 17, 2014 at 09:31:36AM +0100, Cedric Bosdonnat wrote:
> > diff --git a/src/util/virpci.c b/src/util/virpci.c
> > index 00d1064..4ea2bcf 100644
> > --- a/src/util/virpci.c
> > +++ b/src/util/virpci.c
> > @@ -59,7 +59,10 @@ struct _virPCIDevice {
> >      char          name[PCI_ADDR_LEN]; /* domain:bus:slot.function */
> >      char          id[PCI_ID_LEN];     /* product vendor */
> >      char          *path;
> > -    const char    *used_by;           /* The domain which uses the device */
> > +
> > +    /* The driver:domain which uses the device */
> > +    char          *used_by_drvname;
> > +    char          *used_by_domname;
> 
> Why changing from const char* to char*?

I requested this change previously. These values are passed into this
class by its callers. It is bad design practice to assume you can
keep a reference to pointers that are passed into you - they could
be free'd by the caller at any time. strdup'ing them provides a
safer API design.


Regards,
Daniel
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