diff -r -u linux-source-2.6.15/drivers/block/pktcdvd.c linux-source-2.6.15.new/drivers/block/pktcdvd.c
--- linux-source-2.6.15/drivers/block/pktcdvd.c	2005-11-14 12:44:28.000000000 -0500
+++ linux-source-2.6.15.new/drivers/block/pktcdvd.c	2006-01-03 20:00:01.000000000 -0500
@@ -1639,7 +1639,7 @@
 	pd->settings.size = be32_to_cpu(ti.fixed_packet_size) << 2;
 	if (pd->settings.size == 0) {
 		printk("pktcdvd: detected zero packet size!\n");
-		pd->settings.size = 128;
+		return -ENXIO;
 	}
 	if (pd->settings.size > PACKET_MAX_SECTORS) {
 		printk("pktcdvd: packet size is too big\n");
Only in linux-source-2.6.15.new/drivers/block: pktcdvd.c~
diff -r -u linux-source-2.6.15/fs/udf/inode.c linux-source-2.6.15.new/fs/udf/inode.c
--- linux-source-2.6.15/fs/udf/inode.c	2005-11-02 11:29:10.000000000 -0500
+++ linux-source-2.6.15.new/fs/udf/inode.c	2006-01-03 19:02:23.000000000 -0500
@@ -1342,9 +1342,11 @@
 
 	if (inode->i_uid != UDF_SB(inode->i_sb)->s_uid)
 		fe->uid = cpu_to_le32(inode->i_uid);
+	else fe->uid = cpu_to_le32(-1);
 
 	if (inode->i_gid != UDF_SB(inode->i_sb)->s_gid)
 		fe->gid = cpu_to_le32(inode->i_gid);
+	else fe->gid = cpu_to_le32(-1);
 
 	udfperms =	((inode->i_mode & S_IRWXO)     ) |
 			((inode->i_mode & S_IRWXG) << 2) |
diff -r -u linux-source-2.6.15/include/linux/pktcdvd.h linux-source-2.6.15.new/include/linux/pktcdvd.h
--- linux-source-2.6.15/include/linux/pktcdvd.h	2005-11-02 11:29:13.000000000 -0500
+++ linux-source-2.6.15.new/include/linux/pktcdvd.h	2006-01-02 21:48:41.000000000 -0500
@@ -114,7 +114,7 @@
 
 struct packet_settings
 {
-	__u8			size;		/* packet size in (512 byte) sectors */
+	__u32			size;		/* packet size in (512 byte) sectors */
 	__u8			fp;		/* fixed packets */
 	__u8			link_loss;	/* the rest is specified
 						 * as per Mt Fuji */
@@ -169,7 +169,7 @@
 #if (PAGE_SIZE % CD_FRAMESIZE) != 0
 #error "PAGE_SIZE must be a multiple of CD_FRAMESIZE"
 #endif
-#define PACKET_MAX_SIZE		32
+#define PACKET_MAX_SIZE		128
 #define PAGES_PER_PACKET	(PACKET_MAX_SIZE * CD_FRAMESIZE / PAGE_SIZE)
 #define PACKET_MAX_SECTORS	(PACKET_MAX_SIZE * CD_FRAMESIZE >> 9)