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

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

1 files changed, 1 insertions, 5 deletions

diff --git a/drivers/block/scsi_ioctl.c b/drivers/block/scsi_ioctl.c
index b35cb75c7528..7717b76f7f20 100644
--- 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;
                 }