linux-kernel - Re: [PATCH] NFSv4: fix memory leak if nfs4_begin_drain

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Date:   Tue, 5 Nov 2019 23:37:22 -0600
From:   Navid Emamdoost <navid.emamdoost@...il.com>
To:     Anna Schumaker <anna.schumaker@...app.com>,
        Trond Myklebust <trond.myklebust@...merspace.com>
Cc:     Navid Emamdoost <emamd001@....edu>,
        Stephen McCamant <smccaman@....edu>, Kangjie Lu <kjlu@....edu>,
        linux-nfs@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] NFSv4: fix memory leak if nfs4_begin_drain_session fails

Would you please review this patch?

On Thu, Sep 19, 2019 at 7:22 PM Navid Emamdoost
<navid.emamdoost@...il.com> wrote:
>
> In nfs4_try_migration, if nfs4_begin_drain_session fails the allocated
> memory should be released.
>
> Signed-off-by: Navid Emamdoost <navid.emamdoost@...il.com>
> ---
>  fs/nfs/nfs4state.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
> index cad4e064b328..124649f12067 100644
> --- a/fs/nfs/nfs4state.c
> +++ b/fs/nfs/nfs4state.c
> @@ -2096,7 +2096,7 @@ static int nfs4_try_migration(struct nfs_server *server, const struct cred *cred
>
>         status = nfs4_begin_drain_session(clp);
>         if (status != 0)
> -               return status;
> +               goto out;
>
>         status = nfs4_replace_transport(server, locations);
>         if (status != 0) {
> --
> 2.17.1
>


-- 
Navid.