From 5b27b8ddbf37962fae8131cf595231b1be2c2b27 Mon Sep 17 00:00:00 2001
From: Mike Snitzer <snitzer@redhat.com>
Date: Thu, 17 Feb 2022 23:40:16 -0500
Subject: [PATCH] dm: remove impossible BUG_ON in __send_empty_flush
Git-commit: 5b27b8ddbf37962fae8131cf595231b1be2c2b27
Patch-mainline: v5.18-rc1
References: jsc#PED-2765

The flush_bio in question was just initialized to be empty, so there
is no way bio_has_data() will return true.  So remove stale BUG_ON().

Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Coly Li <colyli@suse.de>

---
 drivers/md/dm.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index fb129fe94a0d..c7246b00d363 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -1274,7 +1274,6 @@ static int __send_empty_flush(struct clone_info *ci)
 	ci->bio = &flush_bio;
 	ci->sector_count = 0;
 
-	BUG_ON(bio_has_data(ci->bio));
 	while ((ti = dm_table_get_target(ci->map, target_nr++)))
 		__send_duplicate_bios(ci, ti, ti->num_flush_bios, NULL);
 
-- 
2.35.3