udevadm: settle - allow --timeout=0 and --quiet

[elogind.git] / udev / udev-event.c

diff --git a/udev/udev-event.c b/udev/udev-event.c
index 27bb5eb79ac545e6f60fdc29bf2f83752f3e436e..bc692392d2b128298f9e8b3ca7c8cbf98b564634 100644 (file)
--- a/udev/udev-event.c
+++ b/udev/udev-event.c
@@ -231,8 +231,9 @@ found:
                        break;
                case SUBST_DRIVER:
                        if (event->dev_parent != NULL) {
-                               const char *driver = udev_device_get_driver(event->dev_parent);
+                               const char *driver;
 
+                               driver = udev_device_get_driver(event->dev_parent);
                                if (driver == NULL)
                                        break;
                                util_strlcat(string, driver, maxsize);
@@ -398,6 +399,8 @@ found:
                                struct udev_list_entry *list_entry;
 
                                list_entry = udev_device_get_devlinks_list_entry(dev);
+                               if (list_entry == NULL)
+                                       break;
                                util_strlcat(string, &udev_list_entry_get_name(list_entry)[devlen], maxsize);
                                udev_list_entry_foreach(list_entry, udev_list_entry_get_next(list_entry)) {
                                        util_strlcat(string, " ", maxsize);
@@ -426,6 +429,8 @@ found:
                                if (list_entry == NULL)
                                        break;
                                value = udev_list_entry_get_value(list_entry);
+                               if (value == NULL)
+                                       break;
                                dbg(event->udev, "substitute env '%s=%s'\n", attr, value);
                                util_strlcat(string, value, maxsize);
                                break;
@@ -509,7 +514,7 @@ static int rename_netif(struct udev_event *event)
 
                /* wait 30 seconds for our target to become available */
                util_strlcpy(ifr.ifr_name, ifr.ifr_newname, IFNAMSIZ);
-               util_strlcpy(ifr.ifr_newname, udev_device_get_devnode(dev), IFNAMSIZ);
+               util_strlcpy(ifr.ifr_newname, event->name, IFNAMSIZ);
                loop = 30 * 20;
                while (loop--) {
                        err = ioctl(sk, SIOCSIFNAME, &ifr);
@@ -524,7 +529,7 @@ static int rename_netif(struct udev_event *event)
                                break;
                        }
                        dbg(event->udev, "wait for netif '%s' to become free, loop=%i\n",
-                           udev_device_get_devnode(dev), (30 * 20) - loop);
+                           event->name, (30 * 20) - loop);
                        usleep(1000 * 1000 / 20);
                }
        }