diff --git a/block/bio.c b/block/bio.c index dbabd48b1934..282ca2e5aaf2 100644 --- a/block/bio.c +++ b/block/bio.c @@ -300,7 +300,8 @@ static void bio_chain_endio(struct bio *bio) { struct bio *parent = bio->bi_private; - parent->bi_error = bio->bi_error; + if (!parent->bi_error) + parent->bi_error = bio->bi_error; bio_endio(parent); bio_put(bio); } @@ -1753,7 +1754,9 @@ void bio_endio(struct bio *bio) */ if (bio->bi_end_io == bio_chain_endio) { struct bio *parent = bio->bi_private; - parent->bi_error = bio->bi_error; + + if (!parent->bi_error) + parent->bi_error = bio->bi_error; bio_put(bio); bio = parent; } else {