[PATCH] kill 'reading' variable in sg_io(), it isn't used anymore. (f63eb21b) · Commits · 戴 / test

drivers/block/scsi_ioctl.c

+1 −5

Original line number	Diff line number	Diff line
		@@ -216,7 +216,7 @@ static int sg_io(struct file file, request_queue_t q,
		struct gendisk bd_disk, struct sg_io_hdr hdr)
		{
		unsigned long start_time;
		int reading, writing, ret = 0;
		int writing = 0, ret = 0;
		struct request *rq;
		struct bio *bio;
		char sense[SCSI_SENSE_BUFFERSIZE];
		@@ -234,19 +234,15 @@ static int sg_io(struct file file, request_queue_t q,
		if (hdr->dxfer_len > (q->max_sectors << 9))
		return -EIO;

		reading = writing = 0;
		if (hdr->dxfer_len)
		switch (hdr->dxfer_direction) {
		default:
		return -EINVAL;
		case SG_DXFER_TO_FROM_DEV:
		reading = 1;
		/* fall through */
		case SG_DXFER_TO_DEV:
		writing = 1;
		break;
		case SG_DXFER_FROM_DEV:
		reading = 1;
		break;
		}