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authorMarcin Slusarz <marcin.slusarz@gmail.com>2008-02-08 04:20:39 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-08 09:22:35 -0800
commit3f2587bb22bbcd679e9cf034fb4a29bb48b051b3 (patch)
tree47052ce02f10d5f72656b41763feab86d105ea6a /fs/udf/namei.c
parent4b11111aba6c80cc2969fd1806d2a869bfc9f357 (diff)
udf: create common function for tag checksumming
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Acked-by: Jan Kara <jack@suse.cz> Cc: Christoph Hellwig <hch@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/udf/namei.c')
-rw-r--r--fs/udf/namei.c9
1 files changed, 1 insertions, 8 deletions
diff --git a/fs/udf/namei.c b/fs/udf/namei.c
index a126950d79e..9b5cfc5f725 100644
--- a/fs/udf/namei.c
+++ b/fs/udf/namei.c
@@ -47,8 +47,6 @@ int udf_write_fi(struct inode *inode, struct fileIdentDesc *cfi,
{
uint16_t crclen = fibh->eoffset - fibh->soffset - sizeof(tag);
uint16_t crc;
- uint8_t checksum = 0;
- int i;
int offset;
uint16_t liu = le16_to_cpu(cfi->lengthOfImpUse);
uint8_t lfi = cfi->lengthFileIdent;
@@ -122,13 +120,8 @@ int udf_write_fi(struct inode *inode, struct fileIdentDesc *cfi,
cfi->descTag.descCRC = cpu_to_le16(crc);
cfi->descTag.descCRCLength = cpu_to_le16(crclen);
+ cfi->descTag.tagChecksum = udf_tag_checksum(&cfi->descTag);
- for (i = 0; i < 16; i++) {
- if (i != 4)
- checksum += ((uint8_t *)&cfi->descTag)[i];
- }
-
- cfi->descTag.tagChecksum = checksum;
if (adinicb || (sizeof(struct fileIdentDesc) <= -fibh->soffset)) {
memcpy((uint8_t *)sfi, (uint8_t *)cfi,
sizeof(struct fileIdentDesc));