---
 libmultipath/discovery.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: multipath-tools-120821/libmultipath/discovery.c
===================================================================
--- multipath-tools-120821.orig/libmultipath/discovery.c
+++ multipath-tools-120821/libmultipath/discovery.c
@@ -882,7 +882,7 @@ pathinfo (struct path *pp, vector hwtabl
 	 * fetch info not available through sysfs
 	 */
 	if (pp->fd < 0)
-		pp->fd = open(udev_device_get_devnode(pp->udev), O_RDWR);
+		pp->fd = open(udev_device_get_devnode(pp->udev), O_RDONLY);
 
 	if (pp->fd < 0) {
 		condlog(4, "Couldn't open node for %s: %s",