From: Christoph Hellwig <hch@lst.de>
Date: Fri, 21 May 2021 06:22:16 +0000 (+0200)
Subject: block: use memcpy_from_bvec in bio_copy_kern_endio_read
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=4d1405ef56faa567b8bf5bbcb1d3ec0019daabc4;p=users%2Fhch%2Fblock.git

block: use memcpy_from_bvec in bio_copy_kern_endio_read

Use memcpy_from_bvec instead of open coding the logic.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---

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;
 	}