Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/infiniband/sw/rdmavt/mad.c b/drivers/infiniband/sw/rdmavt/mad.c
index d6981dc..108c71e 100644
--- a/drivers/infiniband/sw/rdmavt/mad.c
+++ b/drivers/infiniband/sw/rdmavt/mad.c
@@ -160,7 +160,8 @@
 			ib_unregister_mad_agent(agent);
 		}
 		if (rvp->sm_ah) {
-			rdma_destroy_ah(&rvp->sm_ah->ibah);
+			rdma_destroy_ah(&rvp->sm_ah->ibah,
+					RDMA_DESTROY_AH_SLEEPABLE);
 			rvp->sm_ah = NULL;
 		}