[openib-general] calling to ibv_create_qp with big number in qp_init_attr.cap.max_ inline_data never return

[Roland Dreier]

I just committed the change below to libmthca, which should fix this hang.

 - R.

--- verbs.c	(revision 2904)
+++ verbs.c	(working copy)
@@ -284,6 +284,14 @@ struct ibv_qp *mthca_create_qp(struct ib
 	struct mthca_qp       *qp;
 	int                    ret;
 
+	/* Sanity check QP size before proceeding */
+	if (attr->cap.max_send_wr     > 65536 ||
+	    attr->cap.max_recv_wr     > 65536 ||
+	    attr->cap.max_send_sge    > 64    ||
+	    attr->cap.max_recv_sge    > 64    ||
+	    attr->cap.max_inline_data > 1024)
+		return NULL;
+
 	qp = malloc(sizeof *qp);
 	if (!qp)
 		return NULL;