tree 9d801d884402a459f57f1cdedda29574688dc23d
parent 5444d8ab9a1406af9f1bc2f00c26838637542480
author Al Viro <viro@zeniv.linux.org.uk> 1506196283 -0400
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1508312141 +0200

more bio_map_user_iov() leak fixes

commit 2b04e8f6bbb196cab4b232af0f8d48ff2c7a8058 upstream.

we need to take care of failure exit as well - pages already
in bio should be dropped by analogue of bio_unmap_pages(),
since their refcounts had been bumped only once per reference
in bio.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>