Re: [PATCH] SUNRPC: Fix a potential memory leak in auth_gss

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On Fri, Mar 19, 2010 at 03:27:59PM -0400, Trond Myklebust wrote:
> From: Trond Myklebust <Trond.Myklebust@xxxxxxxxxx>
> 
> The function alloc_enc_pages() currently fails to release the pointer
> rqstp->rq_enc_pages in the error path.

Thanks, and it's simpler, too.  For what it's worth:

	Acked-by: J. Bruce Fields <bfields@xxxxxxxxxxxxxx>

--b.

> 
> Signed-off-by: Trond Myklebust <Trond.Myklebust@xxxxxxxxxx>
> ---
> 
>  net/sunrpc/auth_gss/auth_gss.c |    5 ++---
>  1 files changed, 2 insertions(+), 3 deletions(-)
> 
> 
> diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c
> index 0cfccc2..c389ccf 100644
> --- a/net/sunrpc/auth_gss/auth_gss.c
> +++ b/net/sunrpc/auth_gss/auth_gss.c
> @@ -1280,9 +1280,8 @@ alloc_enc_pages(struct rpc_rqst *rqstp)
>  	rqstp->rq_release_snd_buf = priv_release_snd_buf;
>  	return 0;
>  out_free:
> -	for (i--; i >= 0; i--) {
> -		__free_page(rqstp->rq_enc_pages[i]);
> -	}
> +	rqstp->rq_enc_pages_num = i;
> +	priv_release_snd_buf(rqstp);
>  out:
>  	return -EAGAIN;
>  }
> 
--
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