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backlight: instead of syspath use sysname for identifying backlight devices
[elogind.git]
/
src
/
backlight
/
backlight.c
diff --git
a/src/backlight/backlight.c
b/src/backlight/backlight.c
index 3378907f91a4889342c1a1d458bdd41ecc0f3c10..1ef0b45cc689a26e824daa84afde24d93c121ee8 100644
(file)
--- a/
src/backlight/backlight.c
+++ b/
src/backlight/backlight.c
@@
-54,9
+54,15
@@
int main(int argc, char *argv[]) {
goto finish;
}
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) {
if (!device) {
- r = log_oom();
+ if (errno != 0) {
+ log_error("Failed to get backlight device: %m");
+ r = -errno;
+ } else
+ r = log_oom();
+
goto finish;
}
goto finish;
}