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authorBob Copeland <me@bobcopeland.com>2008-04-17 09:47:48 +0200
committerJan Kara <jack@suse.cz>2008-04-17 14:29:56 +0200
commitf845fced913b1437659bb5baf187698547697afe (patch)
treee23244018eeb8a57229ef0f12f69521a50881e14 /fs/udf/super.c
parent706047a79725b585cf272fdefc234b31b6545c72 (diff)
downloadlinux-f845fced913b1437659bb5baf187698547697afe.tar.gz
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>
Diffstat (limited to 'fs/udf/super.c')
-rw-r--r--fs/udf/super.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/fs/udf/super.c b/fs/udf/super.c
index 6823733c0121..b564fc140fe4 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 @@ static void udf_open_lvid(struct super_block *sb)
 	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 @@ static void udf_close_lvid(struct super_block *sb)
 	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);