dm: remove impossible BUG_ON in __send_empty_flush

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 <[email protected]> Reviewed-by: Mikulas Patocka <[email protected]> Signed-off-by: Mike Snitzer <[email protected]>
wafgo · Feb 21, 2022 · 5b27b8d · 5b27b8d
1 parent 90a2326
commit 5b27b8d
Showing 1 changed file with 0 additions and 1 deletion.
diff --git 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);