IB/cm: Suppress gcc 7 fall-through complaints

Avoid that gcc 7 reports the following warning when building with W=1:

warning: this statement may fall through [-Wimplicit-fallthrough=]

Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Acked-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
index d80911d4abb7ae69d895779f1698c6202ac3d797..5927ee4e57caa84737ce499cd76970649e4675f0 100644 (file)
--- a/drivers/infiniband/core/cm.c
+++ b/drivers/infiniband/core/cm.c
@@ -2808,6 +2808,7 @@ int ib_send_cm_mra(struct ib_cm_id *cm_id,
                        msg_response = CM_MSG_RESPONSE_OTHER;
                        break;
                }
+               /* fall through */
        default:
                ret = -EINVAL;
                goto error1;