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/unicode.c b/fs/udf/unicode.c
index f5872ae..9fdf8c9 100644
--- a/fs/udf/unicode.c
+++ b/fs/udf/unicode.c
@@ -23,6 +23,7 @@
#include <linux/kernel.h>
#include <linux/string.h> /* for memset */
#include <linux/nls.h>
+#include <linux/crc-itu-t.h>
#include "udf_sb.h"
@@ -454,7 +455,7 @@
} else if (newIndex > 250)
newIndex = 250;
newName[newIndex++] = CRC_MARK;
- valueCRC = udf_crc(fidName, fidNameLen, 0);
+ valueCRC = crc_itu_t(0, fidName, fidNameLen);
newName[newIndex++] = hexChar[(valueCRC & 0xf000) >> 12];
newName[newIndex++] = hexChar[(valueCRC & 0x0f00) >> 8];
newName[newIndex++] = hexChar[(valueCRC & 0x00f0) >> 4];