From: Matias Bjørling <mb@lightnvm.io>
Date: Tue, 9 Oct 2018 11:11:39 +0000 (+0200)
Subject: lightnvm: pblk: remove size and out of bounds read check
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=d20be90ae0bb938ee0dfc8277d531191341d8e39;p=openwrt%2Fstaging%2Fblogic.git

lightnvm: pblk: remove size and out of bounds read check

The I/O size and capacity checks are already done by the block layer.

Signed-off-by: Matias Bjørling <mb@lightnvm.io>
Reviewed-by: Javier González <javier@cnexlabs.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/drivers/lightnvm/pblk-read.c b/drivers/lightnvm/pblk-read.c
index 9c61c19be5dc..ba3dcb6be4c3 100644
--- a/drivers/lightnvm/pblk-read.c
+++ b/drivers/lightnvm/pblk-read.c
@@ -449,13 +449,6 @@ int pblk_submit_read(struct pblk *pblk, struct bio *bio)
 	DECLARE_BITMAP(read_bitmap, NVM_MAX_VLBA);
 	int ret = NVM_IO_ERR;
 
-	/* logic error: lba out-of-bounds. Ignore read request */
-	if (blba >= pblk->rl.nr_secs || nr_secs > NVM_MAX_VLBA) {
-		WARN(1, "pblk: read lba out of bounds (lba:%llu, nr:%d)\n",
-					(unsigned long long)blba, nr_secs);
-		return NVM_IO_ERR;
-	}
-
 	generic_start_io_acct(q, REQ_OP_READ, bio_sectors(bio),
 			      &pblk->disk->part0);