build-sys: add a makefile target to run all tests through valgrind

[elogind.git] / src / backlight / backlight.c

diff --git a/src/backlight/backlight.c b/src/backlight/backlight.c
index 3378907f91a4889342c1a1d458bdd41ecc0f3c10..9b2eada3970cd99a5abec3b8533e0d1ca4fec94f 100644 (file)
--- a/src/backlight/backlight.c
+++ b/src/backlight/backlight.c
@@ -42,7 +42,7 @@ int main(int argc, char *argv[]) {
 
         umask(0022);
 
-        r = mkdir_p("/var/lib/backlight", 0755);
+        r = mkdir_p("/var/lib/systemd/backlight", 0755);
         if (r < 0) {
                 log_error("Failed to create backlight directory: %s", strerror(-r));
                 goto finish;
@@ -54,9 +54,15 @@ int main(int argc, char *argv[]) {
                 goto finish;
         }
 
-        device = udev_device_new_from_syspath(udev, argv[2]);
+        errno = 0;
+        device = udev_device_new_from_subsystem_sysname(udev, "backlight", argv[2]);
         if (!device) {
-                r = log_oom();
+                if (errno != 0) {
+                        log_error("Failed to get backlight device: %m");
+                        r = -errno;
+                } else
+                        r = log_oom();
+
                 goto finish;
         }
 
@@ -66,7 +72,7 @@ int main(int argc, char *argv[]) {
                 goto finish;
         }
 
-        saved = strappend("/var/lib/backlight/", udev_device_get_sysname(device));
+        saved = strappend("/var/lib/systemd/backlight/", udev_device_get_sysname(device));
         if (!saved) {
                 r = log_oom();
                 goto finish;