From: Christoph Hellwig <hch@lst.de>
Date: Tue, 27 Jul 2021 07:56:43 +0200
Subject: [PATCH] block: use memcpy_from_bvec in bio_copy_kern_endio_read
Git-commit: d24920e20ca66780d4059e2ece9f858cbae02310
Patch-mainline: v5.15-rc1
References: jsc#PED1183

Use memcpy_from_bvec instead of open coding the logic.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Link: https://lore.kernel.org/r/20210727055646.118787-13-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Acked-by: Hannes Reinecke <hare@suse.com>
---
 block/blk-map.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/block/blk-map.c b/block/blk-map.c
index 3743158ddaeb..d1448aaad980 100644
--- a/block/blk-map.c
+++ b/block/blk-map.c
@@ -400,7 +400,7 @@ static void bio_copy_kern_endio_read(struct bio *bio)
 	struct bvec_iter_all iter_all;
 
 	bio_for_each_segment_all(bvec, bio, iter_all) {
-		memcpy(p, page_address(bvec->bv_page), bvec->bv_len);
+		memcpy_from_bvec(p, bvec);
 		p += bvec->bv_len;
 	}
 
-- 
2.35.3