udf: use crc_itu_t from lib instead of udf_crc
As pointed out by Sergey Vlasov, UDF implements its own version of
the CRC ITU-T V.41. Convert it to use the one in the library.
Signed-off-by: Bob Copeland <me@bobcopeland.com>
Cc: Sergey Vlasov <vsu@altlinux.ru>
Signed-off-by: Jan Kara <jack@suse.cz>
diff --git a/fs/udf/super.c b/fs/udf/super.c
index 6823733..b564fc1 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -56,6 +56,7 @@
#include <linux/mount.h>
#include <linux/seq_file.h>
#include <linux/bitmap.h>
+#include <linux/crc-itu-t.h>
#include <asm/byteorder.h>
#include "udf_sb.h"
@@ -1765,8 +1766,8 @@
lvid->integrityType = LVID_INTEGRITY_TYPE_OPEN;
lvid->descTag.descCRC = cpu_to_le16(
- udf_crc((char *)lvid + sizeof(tag),
- le16_to_cpu(lvid->descTag.descCRCLength), 0));
+ crc_itu_t(0, (char *)lvid + sizeof(tag),
+ le16_to_cpu(lvid->descTag.descCRCLength)));
lvid->descTag.tagChecksum = udf_tag_checksum(&lvid->descTag);
mark_buffer_dirty(bh);
@@ -1800,9 +1801,8 @@
lvid->integrityType = cpu_to_le32(LVID_INTEGRITY_TYPE_CLOSE);
lvid->descTag.descCRC = cpu_to_le16(
- udf_crc((char *)lvid + sizeof(tag),
- le16_to_cpu(lvid->descTag.descCRCLength),
- 0));
+ crc_itu_t(0, (char *)lvid + sizeof(tag),
+ le16_to_cpu(lvid->descTag.descCRCLength)));
lvid->descTag.tagChecksum = udf_tag_checksum(&lvid->descTag);
mark_buffer_dirty(bh);