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

[Philippe Mathieu-Daudé]

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.

Thank,

Phil.

> Fixes commit 3284fad728 ("xen-disk: add support for multi-page shared rings")
>
> Signed-off-by: Olaf Hering <address@hidden>
> ---
>   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;
>       }