Re: [PATCH v3] RDMA/umem: minor bug fix in error handling path

[Leon Romanovsky]

On Mon, Mar 04, 2019 at 11:46:45AM -0800, john.hubbard@xxxxxxxxx wrote:
> From: John Hubbard <jhubbard@xxxxxxxxxx>
>
> 1. Bug fix: fix an off by one error in the code that
> cleans up if it fails to dma-map a page, after having
> done a get_user_pages_remote() on a range of pages.
>
> 2. Refinement: for that same cleanup code, release_pages()
> is better than put_page() in a loop.
>
> Cc: Leon Romanovsky <leon@xxxxxxxxxx>
> Cc: Ira Weiny <ira.weiny@xxxxxxxxx>
> Cc: Jason Gunthorpe <jgg@xxxxxxxx>
> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> Cc: Doug Ledford <dledford@xxxxxxxxxx>
> Cc: linux-rdma@xxxxxxxxxxxxxxx
> Cc: linux-mm@xxxxxxxxx
> Signed-off-by: John Hubbard <jhubbard@xxxxxxxxxx>
> ---
>  drivers/infiniband/core/umem_odp.c | 9 ++++++---
>  1 file changed, 6 insertions(+), 3 deletions(-)
>

Thanks,
Acked-by: Leon Romanovsky <leonro@xxxxxxxxxxxx>

Attachment: signature.asc
Description: PGP signature