IB/mad: Fix memory leak in switch handling in ib_mad_recv_done_handler()

If agent_send_response() returns an error, we shouldn't do anything
differently than if it succeeds; setting response to NULL just means
that the response buffer gets leaked.

Signed-off-by: Suresh Shelvapille <suri@baymicrosystems.com>
Signed-off-by: Hal Rosenstock <hal.rosenstock@gmail.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c
index 9697857..6f42877 100644 (file)
--- a/drivers/infiniband/core/mad.c
+++ b/drivers/infiniband/core/mad.c
@@ -1916,12 +1916,11 @@ static void ib_mad_recv_done_handler(struct ib_mad_port_private *port_priv,
                        response->header.recv_wc.recv_buf.mad = &response->mad.mad;
                        response->header.recv_wc.recv_buf.grh = &response->grh;
 
-                       if (!agent_send_response(&response->mad.mad,
-                                                &response->grh, wc,
-                                                port_priv->device,
-                                                smi_get_fwd_port(&recv->mad.smp),
-                                                qp_info->qp->qp_num))
-                               response = NULL;
+                       agent_send_response(&response->mad.mad,
+                                           &response->grh, wc,
+                                           port_priv->device,
+                                           smi_get_fwd_port(&recv->mad.smp),
+                                           qp_info->qp->qp_num);
 
                        goto out;
                }