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get_acorn_filename(): deobfuscate a bit

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Lots of Idiotic Silly Parentheses is -> that way...  What that
condition checks is that there's exactly 32 bytes between the
end of name and the end of entire drectory record.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2016-05-05 10:48:47 -04:00
parent 972b241f84
commit e17a21d3bb
1 changed files with 1 additions and 1 deletions
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2
fs/isofs/dir.c
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@ -58,7 +58,7 @@ int get_acorn_filename(struct iso_directory_record *de,
std = sizeof(struct iso_directory_record) + de->name_len[0];
if (std & 1)
std++;
if ((*((unsigned char *) de) - std) != 32)
if (de->length[0] - std != 32)
return retnamlen;
chr = ((unsigned char *) de) + std;
if (strncmp(chr, "ARCHIMEDES", 10))