From: Qinglang Miao <miaoqinglang@huawei.com>
Date: Mon, 21 Sep 2020 13:10:10 +0000 (+0800)
Subject: dm snap persistent: simplify area_io()
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=7d837c0dd95c4ab34ffec9f61000bb3b384da1a9;p=linux.git

dm snap persistent: simplify area_io()

Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
---

diff --git a/drivers/md/dm-snap-persistent.c b/drivers/md/dm-snap-persistent.c
index 63fab7c769be9..8e329c3f3a78e 100644
--- a/drivers/md/dm-snap-persistent.c
+++ b/drivers/md/dm-snap-persistent.c
@@ -284,16 +284,9 @@ static void skip_metadata(struct pstore *ps)
  */
 static int area_io(struct pstore *ps, int op, int op_flags)
 {
-	int r;
-	chunk_t chunk;
-
-	chunk = area_location(ps, ps->current_area);
-
-	r = chunk_io(ps, ps->area, chunk, op, op_flags, 0);
-	if (r)
-		return r;
+	chunk_t chunk = area_location(ps, ps->current_area);
 
-	return 0;
+	return chunk_io(ps, ps->area, chunk, op, op_flags, 0);
 }
 
 static void zero_memory_area(struct pstore *ps)