get_acorn_filename(): deobfuscate a bit
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>
diff --git a/fs/isofs/dir.c b/fs/isofs/dir.c
index b943cbd..dfd14e1 100644
--- a/fs/isofs/dir.c
+++ b/fs/isofs/dir.c
@@ -58,7 +58,7 @@
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))
