dm: return void from __send_empty_flush

Signed-off-by: Mike Snitzer <snitzer@redhat.com>

diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index f8df6e3bcdc538d694d98224e12944a7a5d9cb20..df7664f3028c229711dce92fb6d4be59dc0813b4 100644 (file)
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -1369,7 +1369,7 @@ static void __send_duplicate_bios(struct clone_info *ci, struct dm_target *ti,
        }
 }
 
-static int __send_empty_flush(struct clone_info *ci)
+static void __send_empty_flush(struct clone_info *ci)
 {
        unsigned target_nr = 0;
        struct dm_target *ti;
@@ -1390,7 +1390,6 @@ static int __send_empty_flush(struct clone_info *ci)
                __send_duplicate_bios(ci, ti, ti->num_flush_bios, NULL);
 
        bio_uninit(ci->bio);
-       return 0;
 }
 
 static void __send_changing_extent_only(struct clone_info *ci, struct dm_target *ti,
@@ -1566,7 +1565,7 @@ static void dm_split_and_process_bio(struct mapped_device *md,
        init_clone_info(&ci, md, map, bio);
 
        if (bio->bi_opf & REQ_PREFLUSH) {
-               error = __send_empty_flush(&ci);
+               __send_empty_flush(&ci);
                /* dm_io_complete submits any data associated with flush */
                goto out;
        }