svcrdma: Free context on ib_post_recv error

If there is an error posting the recv WR to the RQ, free the
context associated with the WR. This would leak a context when
asynchronous errors occurred on the transport while conccurent threads
were processing their RPC.

Signed-off-by: Tom Tucker <tom@opengridcomputing.com>

diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c b/net/sunrpc/xprtrdma/svc_rdma_transport.c
index 4bf8b5ad1675a34ab7e0d482071b397be7844966..e85ac77f4954860a5bbe5c5f8b5652ea2f31fe0e 100644 (file)
--- a/net/sunrpc/xprtrdma/svc_rdma_transport.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c
@@ -524,6 +524,8 @@ int svc_rdma_post_recv(struct svcxprt_rdma *xprt)
        recv_wr.wr_id = (u64)(unsigned long)ctxt;
 
        ret = ib_post_recv(xprt->sc_qp, &recv_wr, &bad_recv_wr);
+       if (ret)
+               svc_rdma_put_context(ctxt, 1);
        return ret;
 }