diff --git a/.gitignore b/.gitignore
index 0a5f83b..9ad9465 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,9 @@
+libdvdread-svn1188.tar.bz2
+/libdvdread-svn1226.tar.bz2
+/libdvdread-4.2.0.tar.bz2
+/libdvdread-4.2.1.tar.xz
+/libdvdread-4.9.9.tar.xz
+/libdvdread-5.0.0.tar.bz2
+/libdvdread-5.0.2.tar.bz2
 /libdvdread-5.0.3.tar.bz2
+/A01-UDFReadBlocks-errors.patch
diff --git a/A01-UDFReadBlocks-errors.patch b/A01-UDFReadBlocks-errors.patch
deleted file mode 100644
index 98edbe3..0000000
--- a/A01-UDFReadBlocks-errors.patch
+++ /dev/null
@@ -1,162 +0,0 @@
-diff --git a/src/dvd_reader.c b/src/dvd_reader.c
-index 4e112d3..e8d50f3 100644
---- a/src/dvd_reader.c
-+++ b/src/dvd_reader.c
-@@ -1156,13 +1156,13 @@ int InternalUDFReadBlocksRaw( const dvd_reader_t *device, uint32_t lb_number,
- 
-   if( !device->dev ) {
-     fprintf( stderr, "libdvdread: Fatal error in block read.\n" );
--    return 0;
-+    return -1;
-   }
- 
-   ret = dvdinput_seek( device->dev, (int) lb_number );
-   if( ret != (int) lb_number ) {
-     fprintf( stderr, "libdvdread: Can't seek to block %u\n", lb_number );
--    return 0;
-+    return ret;
-   }
- 
-   ret = dvdinput_read( device->dev, (char *) data,
-diff --git a/src/dvd_udf.c b/src/dvd_udf.c
-index 5eb3d2b..68c3a9a 100644
---- a/src/dvd_udf.c
-+++ b/src/dvd_udf.c
-@@ -516,6 +516,7 @@ static int UDFMapICB( dvd_reader_t *device, struct AD ICB, uint8_t *FileType,
-   uint32_t lbnum;
-   uint16_t TagID;
-   struct icbmap tmpmap;
-+  int ret;
- 
-   lbnum = partition->Start + ICB.Location;
-   tmpmap.lbn = lbnum;
-@@ -526,10 +527,16 @@ static int UDFMapICB( dvd_reader_t *device, struct AD ICB, uint8_t *FileType,
-   }
- 
-   do {
--    if( DVDReadLBUDF( device, lbnum++, 1, LogBlock, 0 ) <= 0 )
-+    ret = DVDReadLBUDF( device, lbnum++, 1, LogBlock, 0 );
-+    if( ret < 0 ) {
-+      return ret;
-+    }
-+    else if( ret == 0 ) {
-       TagID = 0;
--    else
-+    }
-+    else {
-       UDFDescriptor( LogBlock, &TagID );
-+    }
- 
-     if( TagID == FileEntry ) {
-       UDFFileEntry( LogBlock, FileType, partition, File );
-@@ -677,6 +688,7 @@ static int UDFGetAVDP( dvd_reader_t *device,
-   uint32_t lastsector;
-   int terminate;
-   struct avdp_t;
-+  int ret;
- 
-   if(GetUDFCache(device, AVDPCache, 0, avdp))
-     return 1;
-@@ -687,11 +699,16 @@ static int UDFGetAVDP( dvd_reader_t *device,
-   terminate = 0;
- 
-   for(;;) {
--    if( DVDReadLBUDF( device, lbnum, 1, Anchor, 0 ) > 0 ) {
--      UDFDescriptor( Anchor, &TagID );
--    } else {
-+    ret = DVDReadLBUDF( device, lbnum, 1, Anchor, 0 );
-+    if( ret < 0 ) {
-+      return ret;
-+    }
-+    else if( ret == 0 ) {
-       TagID = 0;
-     }
-+    else {
-+      UDFDescriptor( Anchor, &TagID );
-+    }
-     if (TagID != AnchorVolumeDescriptorPointer) {
-       /* Not an anchor */
-       if( terminate ) return 0; /* Final try failed */
-@@ -742,7 +759,7 @@ static int UDFFindPartition( dvd_reader_t *device, int partnum,
-   uint8_t *LogBlock = (uint8_t *)(((uintptr_t)LogBlock_base & ~((uintptr_t)2047)) + 2048);
-   uint32_t lbnum, MVDS_location, MVDS_length;
-   uint16_t TagID;
--  int i, volvalid;
-+  int i, volvalid, ret;
-   struct avdp_t avdp;
- 
-   if(!UDFGetAVDP(device, &avdp))
-@@ -761,10 +778,16 @@ static int UDFFindPartition( dvd_reader_t *device, int partnum,
-     lbnum = MVDS_location;
-     do {
- 
--      if( DVDReadLBUDF( device, lbnum++, 1, LogBlock, 0 ) <= 0 )
-+      ret = DVDReadLBUDF( device, lbnum++, 1, LogBlock, 0 );
-+      if( ret < 0 ) {
-+        return ret;
-+      }
-+      else if( ret == 0 ) {
-         TagID = 0;
--      else
-+      }
-+      else {
-         UDFDescriptor( LogBlock, &TagID );
-+      }
- 
-       if( ( TagID == PartitionDescriptor ) && ( !part->valid ) ) {
-         /* Partition Descriptor */
-@@ -805,6 +828,7 @@ uint32_t UDFFindFile( dvd_reader_t *device, const char *filename,
-   struct AD RootICB, File, ICB;
-   char tokenline[ MAX_UDF_FILE_NAME_LEN ];
-   uint8_t filetype;
-+  int ret;
- 
-   *filesize = 0;
-   tokenline[0] = '\0';
-@@ -820,10 +844,16 @@ uint32_t UDFFindFile( dvd_reader_t *device, const char *filename,
-     /* Find root dir ICB */
-     lbnum = partition.Start;
-     do {
--      if( DVDReadLBUDF( device, lbnum++, 1, LogBlock, 0 ) <= 0 )
-+      ret = DVDReadLBUDF( device, lbnum++, 1, LogBlock, 0 );
-+      if( ret < 0 ) {
-+        return ret;
-+      }
-+      else if( ret == 0 ) {
-         TagID = 0;
--      else
-+      }
-+      else {
-         UDFDescriptor( LogBlock, &TagID );
-+      }
- 
-       /* File Set Descriptor */
-       if( TagID == FileSetDescriptor )  /* File Set Descriptor */
-@@ -886,7 +916,7 @@ static int UDFGetDescriptor( dvd_reader_t *device, int id,
-   uint32_t lbnum, MVDS_location, MVDS_length;
-   struct avdp_t avdp;
-   uint16_t TagID;
--  int i, desc_found = 0;
-+  int i, desc_found = 0, ret;
-   /* Find Anchor */
-   lbnum = 256;   /* Try #1, prime anchor */
-   if(bufsize < DVD_VIDEO_LB_LEN)
-@@ -904,10 +934,16 @@ static int UDFGetDescriptor( dvd_reader_t *device, int id,
-     /* Find  Descriptor */
-     lbnum = MVDS_location;
-     do {
--      if( DVDReadLBUDF( device, lbnum++, 1, descriptor, 0 ) <= 0 )
-+      ret = DVDReadLBUDF( device, lbnum++, 1, descriptor, 0 );
-+      if( ret < 0 ) {
-+        return ret;
-+      }
-+      else if( ret == 0 ) {
-         TagID = 0;
--      else
-+      }
-+      else {
-         UDFDescriptor( descriptor, &TagID );
-+      }
-       if( (TagID == id) && ( !desc_found ) )
-         /* Descriptor */
-         desc_found = 1;
diff --git a/sources b/sources
index 9ae198e..695046a 100644
--- a/sources
+++ b/sources
@@ -1 +1,2 @@
+SHA512 (A01-UDFReadBlocks-errors.patch) = 2a860ca08f4a8e01a7dd3cebb1b457aacd3bd00d878c68aab4aefaffdf23b513bd16fa10eeca05c701ecc1fb0a813df32e2f4338a0f094639ef8cb2b2be0d482
 SHA512 (libdvdread-5.0.3.tar.bz2) = 1ca438f0b5c406549eec62e1abef1e8745b9f932bcd30a3194ee9e37995b269ec8f1652a24cc3d2cb11ddb964e4a47a06e5405f9402e616586ff6263a1af3fc2