From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Wed, 17 Oct 2007 11:42:11 +0000 (+0200)
Subject: [SCSI] Remove full sg table memset()
X-Git-Tag: firefly_0821_release~25106^2
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=f5c0dde4c66421a3a2d7d6fa604a712c9b0744e5;p=firefly-linux-kernel-4.4.55.git

[SCSI] Remove full sg table memset()

We don't need to do that anymore, since blk_rq_map_sg() clears
individual entries.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---

diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index aac8a02cbe80..0c86be71bb33 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -764,8 +764,6 @@ struct scatterlist *scsi_alloc_sgtable(struct scsi_cmnd *cmd, gfp_t gfp_mask)
 		if (unlikely(!sgl))
 			goto enomem;
 
-		memset(sgl, 0, sizeof(*sgl) * sgp->size);
-
 		/*
 		 * first loop through, set initial index and return value
 		 */