[PATCH 03/10] zram: use memcpy_to_bvec in zram_bvec_read

Christoph Hellwig
2022-02-22T15:52:53Z

Use the proper helper instead of open coding the copy.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
drivers/block/zram/zram_drv.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index a3a5e1e713268..14becdf2815df 100644
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -1331,12 +1331,10 @@ static int zram_bvec_read(struct zram *zram, struct bio_vec *bvec,
goto out;

if (is_partial_io(bvec)) {
- void *dst = kmap_atomic(bvec->bv_page);
void *src = kmap_atomic(page);

- memcpy(dst + bvec->bv_offset, src + offset, bvec->bv_len);
+ memcpy_to_bvec(bvec, src + offset);
kunmap_atomic(src);
- kunmap_atomic(dst);
}
out:
if (is_partial_io(bvec))
--
2.30.2