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Re: [Qemu-devel] [PATCH 1/2] virtio-scsi-dataplane: fix allocation for '
From: |
Ming Lei |
Subject: |
Re: [Qemu-devel] [PATCH 1/2] virtio-scsi-dataplane: fix allocation for 'cmd_vrings' |
Date: |
Mon, 10 Nov 2014 17:14:52 +0800 |
On Mon, Nov 10, 2014 at 4:24 PM, Markus Armbruster <address@hidden> wrote:
> Ming Lei <address@hidden> writes:
>
>> The size of each element should be sizeof(VirtIOSCSIVring *).
>>
>> Signed-off-by: Ming Lei <address@hidden>
>> ---
>> hw/scsi/virtio-scsi-dataplane.c | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/hw/scsi/virtio-scsi-dataplane.c
>> b/hw/scsi/virtio-scsi-dataplane.c
>> index 855439e..8a7cd9f 100644
>> --- a/hw/scsi/virtio-scsi-dataplane.c
>> +++ b/hw/scsi/virtio-scsi-dataplane.c
>> @@ -239,7 +239,7 @@ void virtio_scsi_dataplane_start(VirtIOSCSI *s)
>> if (!s->event_vring) {
>> goto fail_vrings;
>> }
>> - s->cmd_vrings = g_malloc0(sizeof(VirtIOSCSIVring) *
>> vs->conf.num_queues);
>> + s->cmd_vrings = g_malloc0(sizeof(VirtIOSCSIVring *) *
>> vs->conf.num_queues);
>> for (i = 0; i < vs->conf.num_queues; i++) {
>> s->cmd_vrings[i] =
>> virtio_scsi_vring_init(s, vs->cmd_vqs[i],
>
> Please use something like
>
> s->cmd_vrings = g_new0(VirtIOSCSIVring *, vs->conf.num_queues);
>
> This one crept in since I cleaned up g_malloc() use globally:
Your idea is good, but this one is a fix patch, and I
think the g_new() conversion should be done in another
patch since the two changes are different logically.
Thanks,
[Qemu-devel] [PATCH 2/2] virtio-scsi-dataplane: notify guest as batch, Ming Lei, 2014/11/09