diff mbox series

[v6,22/42] nvme: memset preallocated requests structures

Message ID 20200316142928.153431-23-its@irrelevant.dk (mailing list archive)
State New, archived
Headers show
Series nvme: support NVMe v1.3d, SGLs and multiple namespaces | expand

Commit Message

Klaus Jensen March 16, 2020, 2:29 p.m. UTC
From: Klaus Jensen <k.jensen@samsung.com>

This is preparatory to subsequent patches that change how QSGs/IOVs are
handled. It is important that the qsg and iov members of the NvmeRequest
are initially zeroed.

Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
---
 hw/block/nvme.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Maxim Levitsky March 25, 2020, 10:44 a.m. UTC | #1
On Mon, 2020-03-16 at 07:29 -0700, Klaus Jensen wrote:
> From: Klaus Jensen <k.jensen@samsung.com>
> 
> This is preparatory to subsequent patches that change how QSGs/IOVs are
> handled. It is important that the qsg and iov members of the NvmeRequest
> are initially zeroed.
> 
> Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
> ---
>  hw/block/nvme.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/hw/block/nvme.c b/hw/block/nvme.c
> index 26c4b6e69f72..08267e847671 100644
> --- a/hw/block/nvme.c
> +++ b/hw/block/nvme.c
> @@ -597,7 +597,7 @@ static void nvme_init_sq(NvmeSQueue *sq, NvmeCtrl *n, uint64_t dma_addr,
>      sq->size = size;
>      sq->cqid = cqid;
>      sq->head = sq->tail = 0;
> -    sq->io_req = g_new(NvmeRequest, sq->size);
> +    sq->io_req = g_new0(NvmeRequest, sq->size);
>  
>      QTAILQ_INIT(&sq->req_list);
>      QTAILQ_INIT(&sq->out_req_list);

Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Best regards,
	Maxim Levitsky
diff mbox series

Patch

diff --git a/hw/block/nvme.c b/hw/block/nvme.c
index 26c4b6e69f72..08267e847671 100644
--- a/hw/block/nvme.c
+++ b/hw/block/nvme.c
@@ -597,7 +597,7 @@  static void nvme_init_sq(NvmeSQueue *sq, NvmeCtrl *n, uint64_t dma_addr,
     sq->size = size;
     sq->cqid = cqid;
     sq->head = sq->tail = 0;
-    sq->io_req = g_new(NvmeRequest, sq->size);
+    sq->io_req = g_new0(NvmeRequest, sq->size);
 
     QTAILQ_INIT(&sq->req_list);
     QTAILQ_INIT(&sq->out_req_list);