RDMA/cma: Only call cma_save_ib_info() for CM REQs

Calling cma_save_ib_info() for CM SIDR REQs results in a crash accessing an invalid path record pointer. Signed-off-by: Sean Hefty <[email protected]> Signed-off-by: Roland Dreier <[email protected]>
akeromi · Jul 31, 2013 · 5eb695c · 5eb695c
1 parent e511d1a
commit 5eb695c
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
@@ -879,7 +879,8 @@ static int cma_save_net_info(struct rdma_cm_id *id, struct rdma_cm_id *listen_id
 {
 	struct cma_hdr *hdr;
 
-	if (listen_id->route.addr.src_addr.ss_family == AF_IB) {
+	if ((listen_id->route.addr.src_addr.ss_family == AF_IB) &&
+	    (ib_event->event == IB_CM_REQ_RECEIVED)) {
 		cma_save_ib_info(id, listen_id, ib_event->param.req_rcvd.primary_path);
 		return 0;
 	}