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(parent: 5444d8a) | patch
more bio_map_user_iov() leak fixes
authorAl Viro <viro@zeniv.linux.org.uk>
Sat, 23 Sep 2017 19:51:23 +0000 (15:51 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 18 Oct 2017 07:35:41 +0000 (09:35 +0200)
commite67dfe75b6830279ef24bfa5237c1488e2890a8d
tree9d801d884402a459f57f1cdedda29574688dc23dtree | snapshot
parent5444d8ab9a1406af9f1bc2f00c26838637542480commit | diff
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>
block/bio.c diff | blob | history