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>

1 files changed, 2 insertions, 0 deletions

diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c b/net/sunrpc/xprtrdma/svc_rdma_transport.c
index 4bf8b5ad1675..e85ac77f4954 100644
--- 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;
 }