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>
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@ -165,7 +165,7 @@ static VirtIOBlockReq *virtio_blk_get_request(VirtIOBlock *s)
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static void virtio_blk_handle_scsi(VirtIOBlockReq *req)
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{
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struct sg_io_hdr hdr;
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int ret, size = 0;
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int ret;
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int status;
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int i;
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@ -194,7 +194,6 @@ static void virtio_blk_handle_scsi(VirtIOBlockReq *req)
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* before the regular inhdr.
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*/
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req->scsi = (void *)req->elem.in_sg[req->elem.in_num - 2].iov_base;
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size = sizeof(*req->in) + sizeof(*req->scsi);
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memset(&hdr, 0, sizeof(struct sg_io_hdr));
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hdr.interface_id = 'S';
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@ -226,7 +225,6 @@ static void virtio_blk_handle_scsi(VirtIOBlockReq *req)
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hdr.dxfer_len += req->elem.in_sg[i].iov_len;
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hdr.dxferp = req->elem.in_sg;
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size += hdr.dxfer_len;
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} else {
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/*
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* Some SCSI commands don't actually transfer any data.
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@ -236,7 +234,6 @@ static void virtio_blk_handle_scsi(VirtIOBlockReq *req)
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hdr.sbp = req->elem.in_sg[req->elem.in_num - 3].iov_base;
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hdr.mx_sb_len = req->elem.in_sg[req->elem.in_num - 3].iov_len;
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size += hdr.mx_sb_len;
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ret = bdrv_ioctl(req->dev->bs, SG_IO, &hdr);
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if (ret) {
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