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udf_readatoffset: return correct size and data pointer for data in fentry

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This should help correct reading of directories with data located
in fentry.

Submitted by:	bde
Approved by:	jhb (mentor)
This commit is contained in:
Andriy Gapon 2009-02-27 17:29:31 +00:00
parent ee3e3ff5c2
commit b2c91b67b6
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=189111
1 changed files with 6 additions and 0 deletions
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6
sys/fs/udf/udf_vnops.c
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@ -1319,6 +1319,12 @@ udf_readatoffset(struct udf_node *node, int *size, off_t offset,
fentry = node->fentry;
*data = &fentry->data[le32toh(fentry->l_ea)];
*size = le32toh(fentry->l_ad);
if (offset >= *size)
*size = 0;
else {
*data += offset;
*size -= offset;
}
return (0);
} else if (error != 0) {
return (error);