let SYSFS{} look at the device, not only the parent device

[elogind.git] / udev_rules.c

diff --git a/udev_rules.c b/udev_rules.c
index f1bbfd854cac5734ea015aa5790d1a8a7ecee737..8e9c1605bf8aeaf447a2c6eb101832c962cb3e05 100644 (file)
--- a/udev_rules.c
+++ b/udev_rules.c
@@ -348,14 +348,14 @@ static int wait_for_sysfs(struct udevice *udev, const char *file, int timeout)
 
        snprintf(filename, sizeof(filename), "%s%s/%s", sysfs_path, udev->dev->devpath, file);
        filename[sizeof(filename)-1] = '\0';
-       dbg("wait %i sec for '%s'", timeout, filename);
+       dbg("will wait %i sec for '%s'", timeout, filename);
 
        while (--loop) {
                if (stat(filename, &stats) == 0) {
                        info("file '%s' appeared after %i loops", filename, (timeout * WAIT_LOOP_PER_SECOND) - loop-1);
                        return 0;
                }
-               info("wait for %i mseconds", 1000 / WAIT_LOOP_PER_SECOND);
+               info("wait for '%s' for %i mseconds", filename, 1000 / WAIT_LOOP_PER_SECOND);
                usleep(1000 * 1000 / WAIT_LOOP_PER_SECOND);
        }
        err("waiting for '%s' failed", filename);
@@ -781,6 +781,8 @@ static int match_rule(struct udevice *udev, struct udev_rule *rule)
                                size_t len;
 
                                value = sysfs_attr_get_value(udev->dev_parent->devpath, key_name);
+                               if (value == NULL)
+                                       value = sysfs_attr_get_value(udev->dev->devpath, key_name);
                                if (value == NULL)
                                        goto try_parent;
                                strlcpy(val, value, sizeof(val));