[PATCH] kill 'reading' variable in sg_io(), it isn't used anymore.

Signed-off-by: Jens Axboe <axboe@suse.de>

diff --git a/drivers/block/scsi_ioctl.c b/drivers/block/scsi_ioctl.c
index b35cb75c7528f034f7ee8b39f68a2686c58c680a..7717b76f7f20820e802c2d99754f8de016144c59 100644 (file)
--- a/drivers/block/scsi_ioctl.c
+++ b/drivers/block/scsi_ioctl.c
@@ -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;
                }