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Subject[PATCH 2/3] [SCSI] sd: remove dead code
Date
As rq_data_dir() only checks a single bit (REQ_WRITE), the result
can not be anything but READ or WRITE. Thus last ELSE clause is
not needed at all.

Signed-off-by: Namhyung Kim <namhyung@gmail.com>
---
drivers/scsi/sd.c | 5 +----
1 files changed, 1 insertions(+), 4 deletions(-)

diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 463a324835f4..fbb522add124 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -760,12 +760,9 @@ static int sd_prep_fn(struct request_queue *q, struct request *rq)
sd_dif_prepare(rq, block, sdp->sector_size) == -EIO)
goto out;

- } else if (rq_data_dir(rq) == READ) {
+ } else { /* READ */
SCpnt->cmnd[0] = READ_6;
SCpnt->sc_data_direction = DMA_FROM_DEVICE;
- } else {
- scmd_printk(KERN_ERR, SCpnt, "Unknown command %x\n", rq->cmd_flags);
- goto out;
}

SCSI_LOG_HLQUEUE(2, scmd_printk(KERN_INFO, SCpnt,
--
1.7.6


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