1 files changed, 3 insertions, 1 deletions

diff --git a/block/bio.c b/block/bio.c
index 228229f3bb76..9ef6cf3addb3 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -599,6 +599,8 @@ void __bio_clone_fast(struct bio *bio, struct bio *bio_src)
         bio->bi_disk = bio_src->bi_disk;
         bio->bi_partno = bio_src->bi_partno;
         bio_set_flag(bio, BIO_CLONED);
+        if (bio_flagged(bio_src, BIO_THROTTLED))
+                bio_set_flag(bio, BIO_THROTTLED);
         bio->bi_opf = bio_src->bi_opf;
         bio->bi_write_hint = bio_src->bi_write_hint;
         bio->bi_iter = bio_src->bi_iter;
@@ -1819,7 +1821,7 @@ EXPORT_SYMBOL(bio_endio);
 struct bio *bio_split(struct bio *bio, int sectors,
                       gfp_t gfp, struct bio_set *bs)
 {
-        struct bio *split = NULL;
+        struct bio *split;
 
         BUG_ON(sectors <= 0);
         BUG_ON(sectors >= bio_sectors(bio));