From bd3d3203eb84d08a6daef805efe9316b79d3bf3c Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Thu, 3 Mar 2022 14:18:59 +0300 Subject: zram: use memcpy_from_bvec in zram_bvec_write Use memcpy_from_bvec instead of open coding the logic. Signed-off-by: Christoph Hellwig Reviewed-by: Ira Weiny Link: https://lore.kernel.org/r/20220303111905.321089-5-hch@lst.de Signed-off-by: Jens Axboe --- drivers/block/zram/zram_drv.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) (limited to 'drivers/block/zram') diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c index 14becdf2815d..e9474b02012d 100644 --- a/drivers/block/zram/zram_drv.c +++ b/drivers/block/zram/zram_drv.c @@ -1465,7 +1465,6 @@ static int zram_bvec_write(struct zram *zram, struct bio_vec *bvec, { int ret; struct page *page = NULL; - void *src; struct bio_vec vec; vec = *bvec; @@ -1483,11 +1482,9 @@ static int zram_bvec_write(struct zram *zram, struct bio_vec *bvec, if (ret) goto out; - src = kmap_atomic(bvec->bv_page); dst = kmap_atomic(page); - memcpy(dst + offset, src + bvec->bv_offset, bvec->bv_len); + memcpy_from_bvec(dst + offset, bvec); kunmap_atomic(dst); - kunmap_atomic(src); vec.bv_page = page; vec.bv_len = PAGE_SIZE; -- cgit v1.2.3