From 78b66c29901aaef8824f4e8c4d2df7f318805edf Mon Sep 17 00:00:00 2001 From: Chuck Lever Date: Wed, 4 May 2016 10:53:30 -0400 Subject: [PATCH] svcrdma: Drain QP before freeing svcrdma_xprt If the server has forced a disconnect, the associated QP has not been moved to the Error state, and thus Receives are still posted. Ensure Receives (and any other outstanding WRs) are drained to release resources that can be freed during teardown of the svcrdma_xprt. Signed-off-by: Chuck Lever Signed-off-by: J. Bruce Fields --- net/sunrpc/xprtrdma/svc_rdma_transport.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c b/net/sunrpc/xprtrdma/svc_rdma_transport.c index 02a112c7cb6ac..dd9440137834c 100644 --- a/net/sunrpc/xprtrdma/svc_rdma_transport.c +++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c @@ -1180,6 +1180,9 @@ static void __svc_rdma_free(struct work_struct *work) dprintk("svcrdma: %s(%p)\n", __func__, rdma); + if (rdma->sc_qp && !IS_ERR(rdma->sc_qp)) + ib_drain_qp(rdma->sc_qp); + /* We should only be called from kref_put */ if (atomic_read(&xprt->xpt_ref.refcount) != 0) pr_err("svcrdma: sc_xprt still in use? (%d)\n", -- 2.39.5