brd: use memcpy_from_page() in copy_from_brd()

Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
0day-ci · Feb 7, 2021 · fa7c5de · fa7c5de
1 parent 1eea73e
commit fa7c5de
Showing 1 changed file with 3 additions and 5 deletions.
diff --git a/drivers/block/brd.c b/drivers/block/brd.c
@@ -231,11 +231,9 @@ static void copy_from_brd(void *dst, struct brd_device *brd,
 
 	copy = min_t(size_t, n, PAGE_SIZE - offset);
 	page = brd_lookup_page(brd, sector);
-	if (page) {
-		src = kmap_atomic(page);
-		memcpy(dst, src + offset, copy);
-		kunmap_atomic(src);
-	} else
+	if (page)
+		memcpy_from_page(dst, page, offset, copy);
+	else
 		memset(dst, 0, copy);
 
 	if (copy < n) {