From: Christoph Hellwig Date: Thu, 3 Mar 2022 11:18:58 +0000 (+0300) Subject: zram: use memcpy_to_bvec in zram_bvec_read X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=b3bd0a8a74ab970cc1cf0849e66bd0906741105b;p=linux.git zram: use memcpy_to_bvec in zram_bvec_read Use the proper helper instead of open coding the copy. Signed-off-by: Christoph Hellwig Reviewed-by: Ira Weiny Link: https://lore.kernel.org/r/20220303111905.321089-4-hch@lst.de Signed-off-by: Jens Axboe --- 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))