From 36daaa98f7ad9224421b18549a3f7bdf4d220414 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Mon, 21 Sep 2020 09:19:57 +0200
Subject: [PATCH] PM: mm: cleanup swsusp_swap_check

Use blkdev_get_by_dev instead of bdget + blkdev_get.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 kernel/power/swap.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/kernel/power/swap.c b/kernel/power/swap.c
index 9d3ffbfe08dbf..71385bedcc3a4 100644
--- a/kernel/power/swap.c
+++ b/kernel/power/swap.c
@@ -343,12 +343,10 @@ static int swsusp_swap_check(void)
 		return res;
 	root_swap = res;
 
-	hib_resume_bdev = bdget(swsusp_resume_device);
-	if (!hib_resume_bdev)
-		return -ENOMEM;
-	res = blkdev_get(hib_resume_bdev, FMODE_WRITE, NULL);
-	if (res)
-		return res;
+	hib_resume_bdev = blkdev_get_by_dev(swsusp_resume_device, FMODE_WRITE,
+			NULL);
+	if (IS_ERR(hib_resume_bdev))
+		return PTR_ERR(hib_resume_bdev);
 
 	res = set_blocksize(hib_resume_bdev, PAGE_SIZE);
 	if (res < 0)
-- 
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