From 6e17c59f6be4498113686b501b33191971a51435 Mon Sep 17 00:00:00 2001
From: Thomas Schmitt <scdbackup@gmx.net>
Date: Sat, 27 Mar 2010 15:58:05 +0000
Subject: [PATCH] Avoiding to inquire NWA of unwritable media or states

---
 cdrskin/cdrskin_timestamp.h | 2 +-
 libburn/mmc.c               | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/cdrskin/cdrskin_timestamp.h b/cdrskin/cdrskin_timestamp.h
index a8313c8..510590f 100644
--- a/cdrskin/cdrskin_timestamp.h
+++ b/cdrskin/cdrskin_timestamp.h
@@ -1 +1 @@
-#define Cdrskin_timestamP "2010.03.26.083158"
+#define Cdrskin_timestamP "2010.03.27.155659"
diff --git a/libburn/mmc.c b/libburn/mmc.c
index 498d5ad..ccb36c4 100644
--- a/libburn/mmc.c
+++ b/libburn/mmc.c
@@ -425,6 +425,10 @@ int mmc_get_nwa(struct burn_drive *d, int trackno, int *lba, int *nwa)
 	if (mmc_function_spy(d, "mmc_get_nwa") <= 0)
 		return -1;
 
+	/* ts B00327 : Avoid to inquire unsuitable media states */
+	if (d->status != BURN_DISC_BLANK && d->status != BURN_DISC_APPENDABLE)
+		return 0;
+
 	ret = mmc_read_track_info(d, trackno, &buf, alloc_len);
 	if (ret <= 0)
 		return ret;