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 <[email protected]>
chewitt · May 9, 2016 · e17a21d · e17a21d
1 parent 972b241
commit e17a21d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git 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))