From 3f2587bb22bbcd679e9cf034fb4a29bb48b051b3 Mon Sep 17 00:00:00 2001 From: Marcin Slusarz Date: Fri, 8 Feb 2008 04:20:39 -0800 Subject: udf: create common function for tag checksumming Signed-off-by: Marcin Slusarz Acked-by: Jan Kara Cc: Christoph Hellwig Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/udf/namei.c | 9 +-------- 1 file changed, 1 insertion(+), 8 deletions(-) (limited to 'fs/udf/namei.c') diff --git a/fs/udf/namei.c b/fs/udf/namei.c index a126950d79e6..9b5cfc5f725c 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)); -- cgit v1.2.3