From: Christoph Hellwig <hch@lst.de>
Date: Fri, 26 Nov 2021 13:17:58 +0100
Subject: [PATCH] mtd_blkdevs: remove the sector out of range check in
 do_blktrans_request
Git-commit: 82baa324dc41005ab8afc5afee5bfe9cc54f12c4
Patch-mainline: v5.17-rc1
References: jsc#PED-1183

The block layer already performs this check, no need to duplicate it in
the driver.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Link: https://lore.kernel.org/r/20211126121802.2090656-2-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Acked-by: Hannes Reinecke <hare@suse.com>
---
 drivers/mtd/mtd_blkdevs.c | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c
index 66f81d42fe77..113f86df7603 100644
--- a/drivers/mtd/mtd_blkdevs.c
+++ b/drivers/mtd/mtd_blkdevs.c
@@ -54,17 +54,11 @@ static blk_status_t do_blktrans_request(struct mtd_blktrans_ops *tr,
 	block = blk_rq_pos(req) << 9 >> tr->blkshift;
 	nsect = blk_rq_cur_bytes(req) >> tr->blkshift;
 
-	if (req_op(req) == REQ_OP_FLUSH) {
+	switch (req_op(req)) {
+	case REQ_OP_FLUSH:
 		if (tr->flush(dev))
 			return BLK_STS_IOERR;
 		return BLK_STS_OK;
-	}
-
-	if (blk_rq_pos(req) + blk_rq_cur_sectors(req) >
-	    get_capacity(req->rq_disk))
-		return BLK_STS_IOERR;
-
-	switch (req_op(req)) {
 	case REQ_OP_DISCARD:
 		if (tr->discard(dev, block, nsect))
 			return BLK_STS_IOERR;
-- 
2.35.3