Re: [Xen-devel] [Qemu-devel] [PATCH v2] xen-disk: use g_new0 to fix build

[Stefano Stabellini <sstabellini@xxxxxxxxxx>]

On Fri, 28 Jul 2017, Philippe Mathieu-Daudé wrote:
> Hi Olaf,
> 
> On 07/28/2017 10:11 AM, Olaf Hering wrote:
> > g_malloc0_n is available since glib-2.24. To allow build with older glib
> > versions use the generic g_new0, which is already used in many other
> > places in the code.
> 
> Can you provide information about which distrib/release/version/[packages?]
> you used? So we might add the same setup in QEMU continuous integration
> system.

FYI http://marc.info/?l=qemu-devel&m=150113545516942&w=2



> > 
> > Fixes commit 3284fad728 ("xen-disk: add support for multi-page shared
> > rings")
> > 
> > Signed-off-by: Olaf Hering <olaf@xxxxxxxxx>
> > ---
> >   hw/block/xen_disk.c | 2 +-
> >   1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/hw/block/xen_disk.c b/hw/block/xen_disk.c
> > index d42ed7070d..536e2ee735 100644
> > --- a/hw/block/xen_disk.c
> > +++ b/hw/block/xen_disk.c
> > @@ -1232,7 +1232,7 @@ static int blk_connect(struct XenDevice *xendev)
> >           return -1;
> >       }
> >   -    domids = g_malloc0_n(blkdev->nr_ring_ref, sizeof(uint32_t));
> > +    domids = g_new0(uint32_t, blkdev->nr_ring_ref);
> >       for (i = 0; i < blkdev->nr_ring_ref; i++) {
> >           domids[i] = blkdev->xendev.dom;
> >       }
> > 
>

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