udev_device_get_sysattr_value returns NULL on failure, but doesn't provide an error code; thus, when printing an error from it, don't print an unrelated error code from a previous call. --- src/backlight/backlight.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/backlight/backlight.c b/src/backlight/backlight.c index 86f10cc..81470b3 100644 --- a/src/backlight/backlight.c +++ b/src/backlight/backlight.c @@ -322,7 +322,7 @@ int main(int argc, char *argv[]) { value = udev_device_get_sysattr_value(device, "brightness"); if (!value) { - log_error("Failed to read system attribute: %s", strerror(-r)); + log_error("Failed to read system attribute"); return EXIT_FAILURE; } -- 1.9.0 _______________________________________________ systemd-devel mailing list systemd-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/systemd-devel