Re: [PATCH] NFS: Fix a use-before-initialised warning in fs/nfs/write.c and fs/nfs/pnfs.c

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ACK

Fred


On Fri, Apr 27, 2012 at 2:41 PM, Trond Myklebust
<Trond.Myklebust@xxxxxxxxxx> wrote:
> If the allocation of nfs_write_header fails, the list of nfs_pages that
> needs to be cleaned up is still on desc->pg_list...
>
> Reported-by: Bryan Schumaker <bjschuma@xxxxxxxxxx>
> Cc: Fred Isaman <iisaman@xxxxxxxxxx>
> Signed-off-by: Trond Myklebust <Trond.Myklebust@xxxxxxxxxx>
> ---
>  fs/nfs/pnfs.c  |    2 +-
>  fs/nfs/write.c |    2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
> index 4da05e4..39cbac5 100644
> --- a/fs/nfs/pnfs.c
> +++ b/fs/nfs/pnfs.c
> @@ -1308,7 +1308,7 @@ pnfs_generic_pg_writepages(struct nfs_pageio_descriptor *desc)
>
>        whdr = nfs_writehdr_alloc();
>        if (!whdr) {
> -               desc->pg_completion_ops->error_cleanup(&hdr->pages);
> +               desc->pg_completion_ops->error_cleanup(&desc->pg_list);
>                put_lseg(desc->pg_lseg);
>                desc->pg_lseg = NULL;
>                return -ENOMEM;
> diff --git a/fs/nfs/write.c b/fs/nfs/write.c
> index fec214b..3636191 100644
> --- a/fs/nfs/write.c
> +++ b/fs/nfs/write.c
> @@ -1164,7 +1164,7 @@ static int nfs_generic_pg_writepages(struct nfs_pageio_descriptor *desc)
>
>        whdr = nfs_writehdr_alloc();
>        if (!whdr) {
> -               desc->pg_completion_ops->error_cleanup(&hdr->pages);
> +               desc->pg_completion_ops->error_cleanup(&desc->pg_list);
>                return -ENOMEM;
>        }
>        hdr = &whdr->header;
> --
> 1.7.7.6
>
> --
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