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

Tom Tucker
2011-03-17T18:54:29Z

Hi Bruce,

I believe this fix is correct.

Tom

On 3/17/11 12:37 PM, J. Bruce Fields wrote:
> 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@chaosbits.net>
> 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@chaosbits.net> 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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