[PATCH] The blk_rq_map_user() change missed an update in scsi_ioctl.c

		struct gendisk *bd_disk, struct sg_io_hdr *hdr)

{

	unsigned long start_time;

	int reading, writing, ret;

	int reading, writing, ret = 0;

	struct request *rq;

	struct bio *bio;

	char sense[SCSI_SENSE_BUFFERSIZE];

			reading = 1;

			break;

		}

	}

	rq = blk_get_request(q, writing ? WRITE : READ, GFP_KERNEL);

	if (!rq)

			hdr->sb_len_wr = len;

	}

	if (blk_rq_unmap_user(rq, bio, hdr->dxfer_len))

	if (blk_rq_unmap_user(bio, hdr->dxfer_len))

		ret = -EFAULT;

	/* may not have succeeded, but output values written to control