diff mbox series

[04/10] zram: use memcpy_from_bvec in zram_bvec_write

Message ID 20220303111905.321089-5-hch@lst.de (mailing list archive)
State Accepted
Commit bd3d3203eb84d08a6daef805efe9316b79d3bf3c
Headers show
Series [01/10] iss-simdisk: use bvec_kmap_local in simdisk_submit_bio | expand

Commit Message

Christoph Hellwig March 3, 2022, 11:18 a.m. UTC 
Use memcpy_from_bvec instead of open coding the logic.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
---
 drivers/block/zram/zram_drv.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index 14becdf2815df..e9474b02012de 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;