libibmad: To handle null dev_name in madrpc_init
Signed-off-by: Brendan Doyle <brendan.doyle-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
diff -uprN ./SOURCES/libibmad-1.3.9/src/rpc.c ./SOURCES/libibmad-1.3.9.fix_null_dev_name_madrpc_init/src/rpc.c
--- ./SOURCES/libibmad-1.3.9/src/rpc.c	2012-04-30 13:42:44.000000000 -0700
+++ ./SOURCES/libibmad-1.3.9.fix_null_dev_name_madrpc_init/src/rpc.c	2013-02-22 14:54:14.654048137 -0800
@@ -360,7 +360,8 @@ madrpc_init(char *dev_name, int dev_port
 		IBPANIC("can't init UMAD library");
 
 	if ((fd = umad_open_port(dev_name, dev_port)) < 0)
-		IBPANIC("can't open UMAD port (%s:%d)", dev_name, dev_port);
+		IBPANIC("can't open UMAD port (%s:%d)",
+		dev_name ? dev_name : "(nil)", dev_port);
 
 	if (num_classes >= MAX_CLASS)
 		IBPANIC("too many classes %d requested", num_classes);