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>

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/isofs/dir.c b/fs/isofs/dir.c
index b943cbd963bb..dfd14e1b9dcf 100644
--- a/fs/isofs/dir.c
+++ b/fs/isofs/dir.c
@@ -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))