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Re: [Qemu-devel] [PATCH] xen_disk: avoid use of g_malloc0_n()
From: |
Paul Durrant |
Subject: |
Re: [Qemu-devel] [PATCH] xen_disk: avoid use of g_malloc0_n() |
Date: |
Tue, 12 Sep 2017 14:33:32 +0000 |
> -----Original Message-----
> From: Jan Beulich [mailto:address@hidden
> Sent: 12 September 2017 07:24
> To: address@hidden
> Cc: Paul Durrant <address@hidden>; Stefano Stabellini
> <address@hidden>; xen-devel <address@hidden>
> Subject: [PATCH] xen_disk: avoid use of g_malloc0_n()
>
> Prefer g_new() / g_new0() to be farther backwards compatible with older
> glib versions. As there's no point in zeroing the allocation here (the
> loop right afterwards fully initializes the memory), use the former.
>
> Signed-off-by: Jan Beulich <address@hidden>
Reviewed-by: Paul Durrant <address@hidden>
>
> --- a/hw/block/xen_disk.c
> +++ b/hw/block/xen_disk.c
> @@ -1232,7 +1232,7 @@ static int blk_connect(struct XenDevice
> return -1;
> }
>
> - domids = g_malloc0_n(blkdev->nr_ring_ref, sizeof(uint32_t));
> + domids = g_new(uint32_t, blkdev->nr_ring_ref);
> for (i = 0; i < blkdev->nr_ring_ref; i++) {
> domids[i] = blkdev->xendev.dom;
> }
>
>
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