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[Qemu-devel] [PATCH 5/6] virtio-scsi: convert to virtqueue_map


From: Michael S. Tsirkin
Subject: [Qemu-devel] [PATCH 5/6] virtio-scsi: convert to virtqueue_map
Date: Tue, 27 Oct 2015 10:48:06 +0200

Note: virtqueue_map already validates input
so virtio-scsi does not have to.

Signed-off-by: Michael S. Tsirkin <address@hidden>
---
 hw/scsi/virtio-scsi.c | 16 ++--------------
 1 file changed, 2 insertions(+), 14 deletions(-)

diff --git a/hw/scsi/virtio-scsi.c b/hw/scsi/virtio-scsi.c
index 1c33f14..33bd25a 100644
--- a/hw/scsi/virtio-scsi.c
+++ b/hw/scsi/virtio-scsi.c
@@ -207,20 +207,8 @@ static void *virtio_scsi_load_request(QEMUFile *f, 
SCSIRequest *sreq)
     assert(n < vs->conf.num_queues);
     req = virtio_scsi_init_req(s, vs->cmd_vqs[n]);
     qemu_get_buffer(f, (unsigned char *)&req->elem, sizeof(req->elem));
-    /* TODO: add a way for SCSIBusInfo's load_request to fail,
-     * and fail migration instead of asserting here.
-     * When we do, we might be able to re-enable NDEBUG below.
-     */
-#ifdef NDEBUG
-#error building with NDEBUG is not supported
-#endif
-    assert(req->elem.in_num <= ARRAY_SIZE(req->elem.in_sg));
-    assert(req->elem.out_num <= ARRAY_SIZE(req->elem.out_sg));
-
-    virtqueue_map_sg(req->elem.in_sg, req->elem.in_addr,
-                     req->elem.in_num, 1);
-    virtqueue_map_sg(req->elem.out_sg, req->elem.out_addr,
-                     req->elem.out_num, 0);
+
+    virtqueue_map(&req->elem);
 
     if (virtio_scsi_parse_req(req, sizeof(VirtIOSCSICmdReq) + vs->cdb_size,
                               sizeof(VirtIOSCSICmdResp) + vs->sense_size) < 0) 
{
-- 
MST




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