Re: [PATCH] SUNRPC: Remove resource leak in svc_rdma_send_error()

["J. Bruce Fields" <bfields-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>]

On Sat, Jan 22, 2011 at 10:40:20PM +0100, Jesper Juhl wrote:
> We leak the memory allocated to 'ctxt' when we return after 
> 'ib_dma_mapping_error()' returns !=0.
> 
> Signed-off-by: Jesper Juhl <jj-IYz4IdjRLj0sV2N9l4h3zg@public.gmane.org>

I don't know this code, but I can't see how that could be wrong....
Applying unless Tom tells me otherwise.

--b.

> ---
>  svc_rdma_transport.c |    1 +
>  1 file changed, 1 insertion(+)
> 
>   compile tested only
> 
> diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c b/net/sunrpc/xprtrdma/svc_rdma_transport.c
> index 9df1ead..1a10dcd 100644
> --- a/net/sunrpc/xprtrdma/svc_rdma_transport.c
> +++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c
> @@ -1335,6 +1335,7 @@ void svc_rdma_send_error(struct svcxprt_rdma *xprt, struct rpcrdma_msg *rmsgp,
>  					    p, 0, length, DMA_FROM_DEVICE);
>  	if (ib_dma_mapping_error(xprt->sc_cm_id->device, ctxt->sge[0].addr)) {
>  		put_page(p);
> +		svc_rdma_put_context(ctxt, 1);
>  		return;
>  	}
>  	atomic_inc(&xprt->sc_dma_used);
> 
> 
> -- 
> Jesper Juhl <jj-IYz4IdjRLj0sV2N9l4h3zg@public.gmane.org>            http://www.chaosbits.net/
> Don't top-post http://www.catb.org/~esr/jargon/html/T/top-post.html
> Plain text mails only, please.
> 
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