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virtio-blk: remove dead variable in virtio_blk_handle_scsi 

As pointed out by clang size is only ever written to, but never actually
used.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Christoph Hellwig 2010-01-13 13:30:32 +01:00 committed by Anthony Liguori
parent f8012c135e
commit 4277906d28
1 changed files with 1 additions and 4 deletions
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5
hw/virtio-blk.c
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@ -165,7 +165,7 @@ static VirtIOBlockReq *virtio_blk_get_request(VirtIOBlock *s)
static void virtio_blk_handle_scsi(VirtIOBlockReq *req)
{
struct sg_io_hdr hdr;
int ret, size = 0;
int ret;
int status;
int i;
@ -194,7 +194,6 @@ static void virtio_blk_handle_scsi(VirtIOBlockReq *req)
* before the regular inhdr.
*/
req->scsi = (void *)req->elem.in_sg[req->elem.in_num - 2].iov_base;
size = sizeof(*req->in) + sizeof(*req->scsi);
memset(&hdr, 0, sizeof(struct sg_io_hdr));
hdr.interface_id = 'S';
@ -226,7 +225,6 @@ static void virtio_blk_handle_scsi(VirtIOBlockReq *req)
hdr.dxfer_len += req->elem.in_sg[i].iov_len;
hdr.dxferp = req->elem.in_sg;
size += hdr.dxfer_len;
} else {
/*
* Some SCSI commands don't actually transfer any data.
@ -236,7 +234,6 @@ static void virtio_blk_handle_scsi(VirtIOBlockReq *req)
hdr.sbp = req->elem.in_sg[req->elem.in_num - 3].iov_base;
hdr.mx_sb_len = req->elem.in_sg[req->elem.in_num - 3].iov_len;
size += hdr.mx_sb_len;
ret = bdrv_ioctl(req->dev->bs, SG_IO, &hdr);
if (ret) {