tree d0a0c276fbdca570bfecff0695984936a46b98c3
parent d7c3d7e453b70e9e9e81d8409e5f8c004597ec05
author Kenneth Lee <liguozhu@hisilicon.com> 1483599605 +0800
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1485934392 +0100

IB/umem: Release pid in error and ODP flow

commit 828f6fa65ce7e80f77f5ab12942e44eb3d9d174e upstream.

1. Release pid before enter odp flow
2. Release pid when fail to allocate memory

Fixes: 87773dd56d54 ("IB: ib_umem_release() should decrement mm->pinned_vm from ib_umem_get")
Fixes: 8ada2c1c0c1d ("IB/core: Add support for on demand paging regions")
Signed-off-by: Kenneth Lee <liguozhu@hisilicon.com>
Reviewed-by: Haggai Eran <haggaie@mellanox.com>
Reviewed-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>