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| author | Bob Copeland <me@bobcopeland.com> | 2008-04-17 09:47:48 +0200 |
|---|---|---|
| committer | Jan Kara <jack@suse.cz> | 2008-04-17 14:29:56 +0200 |
| commit | f845fced913b1437659bb5baf187698547697afe (patch) | |
| tree | e23244018eeb8a57229ef0f12f69521a50881e14 /fs/udf/inode.c | |
| parent | 706047a79725b585cf272fdefc234b31b6545c72 (diff) | |
| download | linux-3.10-f845fced913b1437659bb5baf187698547697afe.tar.gz linux-3.10-f845fced913b1437659bb5baf187698547697afe.tar.bz2 linux-3.10-f845fced913b1437659bb5baf187698547697afe.zip | |
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/inode.c')
| -rw-r--r-- | fs/udf/inode.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/fs/udf/inode.c b/fs/udf/inode.c index 6e151f170c0..6e74b117aaf 100644 --- a/fs/udf/inode.c +++ b/fs/udf/inode.c @@ -37,6 +37,7 @@ #include <linux/buffer_head.h> #include <linux/writeback.h> #include <linux/slab.h> +#include <linux/crc-itu-t.h> #include "udf_i.h" #include "udf_sb.h" @@ -1419,9 +1420,9 @@ static int udf_update_inode(struct inode *inode, int do_sync) iinfo->i_location. logicalBlockNum); use->descTag.descCRCLength = cpu_to_le16(crclen); - use->descTag.descCRC = cpu_to_le16(udf_crc((char *)use + - sizeof(tag), crclen, - 0)); + use->descTag.descCRC = cpu_to_le16(crc_itu_t(0, (char *)use + + sizeof(tag), + crclen)); use->descTag.tagChecksum = udf_tag_checksum(&use->descTag); mark_buffer_dirty(bh); @@ -1584,8 +1585,8 @@ static int udf_update_inode(struct inode *inode, int do_sync) crclen += iinfo->i_lenEAttr + iinfo->i_lenAlloc - sizeof(tag); fe->descTag.descCRCLength = cpu_to_le16(crclen); - fe->descTag.descCRC = cpu_to_le16(udf_crc((char *)fe + sizeof(tag), - crclen, 0)); + fe->descTag.descCRC = cpu_to_le16(crc_itu_t(0, (char *)fe + sizeof(tag), + crclen)); fe->descTag.tagChecksum = udf_tag_checksum(&fe->descTag); /* write the data blocks */ |