1 files changed, 12 insertions, 14 deletions

diff --git a/fs/udf/misc.c b/fs/udf/misc.c
index a1d6da0caf71..84bf0fd4a4f1 100644
--- a/fs/udf/misc.c
+++ b/fs/udf/misc.c
@@ -23,8 +23,8 @@
 
 #include <linux/fs.h>
 #include <linux/string.h>
-#include <linux/udf_fs.h>
 #include <linux/buffer_head.h>
+#include <linux/crc-itu-t.h>
 
 #include "udf_i.h"
 #include "udf_sb.h"
@@ -136,8 +136,8 @@ struct genericFormat *udf_add_extendedattr(struct inode *inode, uint32_t size,
                 /* rewrite CRC + checksum of eahd */
                 crclen = sizeof(struct extendedAttrHeaderDesc) - sizeof(tag);
                 eahd->descTag.descCRCLength = cpu_to_le16(crclen);
-                eahd->descTag.descCRC = cpu_to_le16(udf_crc((char *)eahd +
-                                                sizeof(tag), crclen, 0));
+                eahd->descTag.descCRC = cpu_to_le16(crc_itu_t(0, (char *)eahd +
+                                                sizeof(tag), crclen));
                 eahd->descTag.tagChecksum = udf_tag_checksum(&eahd->descTag);
                 iinfo->i_lenEAttr += size;
                 return (struct genericFormat *)&ea[offset];
@@ -204,16 +204,15 @@ struct buffer_head *udf_read_tagged(struct super_block *sb, uint32_t block,
 {
         tag *tag_p;
         struct buffer_head *bh = NULL;
-        struct udf_sb_info *sbi = UDF_SB(sb);
 
         /* Read the block */
         if (block == 0xFFFFFFFF)
                 return NULL;
 
-        bh = udf_tread(sb, block + sbi->s_session);
+        bh = udf_tread(sb, block);
         if (!bh) {
                 udf_debug("block=%d, location=%d: read failed\n",
-                          block + sbi->s_session, location);
+                          block, location);
                 return NULL;
         }
 
@@ -223,8 +222,7 @@ struct buffer_head *udf_read_tagged(struct super_block *sb, uint32_t block,
 
         if (location != le32_to_cpu(tag_p->tagLocation)) {
                 udf_debug("location mismatch block %u, tag %u != %u\n",
-                          block + sbi->s_session,
-                          le32_to_cpu(tag_p->tagLocation), location);
+                          block, le32_to_cpu(tag_p->tagLocation), location);
                 goto error_out;
         }
 
@@ -244,13 +242,13 @@ struct buffer_head *udf_read_tagged(struct super_block *sb, uint32_t block,
 
         /* Verify the descriptor CRC */
         if (le16_to_cpu(tag_p->descCRCLength) + sizeof(tag) > sb->s_blocksize ||
-            le16_to_cpu(tag_p->descCRC) == udf_crc(bh->b_data + sizeof(tag),
-                                        le16_to_cpu(tag_p->descCRCLength), 0))
+            le16_to_cpu(tag_p->descCRC) == crc_itu_t(0,
+                                        bh->b_data + sizeof(tag),
+                                        le16_to_cpu(tag_p->descCRCLength)))
                 return bh;
 
-        udf_debug("Crc failure block %d: crc = %d, crclen = %d\n",
-                  block + sbi->s_session, le16_to_cpu(tag_p->descCRC),
-                  le16_to_cpu(tag_p->descCRCLength));
+        udf_debug("Crc failure block %d: crc = %d, crclen = %d\n", block,
+            le16_to_cpu(tag_p->descCRC), le16_to_cpu(tag_p->descCRCLength));
 
 error_out:
         brelse(bh);
@@ -270,7 +268,7 @@ void udf_update_tag(char *data, int length)
         length -= sizeof(tag);
 
         tptr->descCRCLength = cpu_to_le16(length);
-        tptr->descCRC = cpu_to_le16(udf_crc(data + sizeof(tag), length, 0));
+        tptr->descCRC = cpu_to_le16(crc_itu_t(0, data + sizeof(tag), length));
         tptr->tagChecksum = udf_tag_checksum(tptr);
 }