cdrom_id: suppress ID_CDROM_MEDIA_STATE=blank for plain non-writable CDROM media

[elogind.git] / extras / cdrom_id / cdrom_id.c

diff --git a/extras/cdrom_id/cdrom_id.c b/extras/cdrom_id/cdrom_id.c
index 0d873ae8e5f847eaba7df3d0bc6cc846e948a75d..921e5346c920f2d10d168c9e97c58d4e196af3be 100644 (file)
--- a/extras/cdrom_id/cdrom_id.c
+++ b/extras/cdrom_id/cdrom_id.c
@@ -426,8 +426,10 @@ static int cd_media_info(struct udev *udev, int fd)
 
        info(udev, "disk type %02x\n", header[8]);
 
-       if ((header[2] & 3) < 4)
+       /* exclude plain CDROM, some fake cdroms return 0 for "blank" media here */
+       if (!cd_media_cd_rom && (header[2] & 3) < 4)
                cd_media_state = media_status[header[2] & 3];
+
        if ((header[2] & 3) != 2)
                cd_media_session_next = header[10] << 8 | header[5];
        cd_media_session_count = header[9] << 8 | header[4];