linux-kernel - [PATCH 16/45] C++: Disable VERIFY_OCTAL

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Message-ID: <152261531188.30503.1879167170677309447.stgit@warthog.procyon.org.uk>
Date:   Sun, 01 Apr 2018 21:41:51 +0100
From:   David Howells <dhowells@...hat.com>
To:     linux-kernel@...r.kernel.org
Subject: [PATCH 16/45] C++: Disable VERIFY_OCTAL_PERMISSIONS() for the moment

Disable VERIFY_OCTAL_PERMISSIONS() for the moment as it's unclear as to why
g++ doesn't like it.

Signed-off-by: David Howells <dhowells@...hat.com>
---

 include/linux/kernel.h |   13 ++-----------
 1 file changed, 2 insertions(+), 11 deletions(-)

diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 59089f76c7d8..06b7e3a79c7a 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -931,15 +931,6 @@ static inline void ftrace_dump(enum ftrace_dump_mode oops_dump_mode) { }
 #endif
 
 /* Permissions on a sysfs file: you didn't miss the 0 prefix did you? */
-#define VERIFY_OCTAL_PERMISSIONS(perms)						\
-	(BUILD_BUG_ON_ZERO((perms) < 0) +					\
-	 BUILD_BUG_ON_ZERO((perms) > 0777) +					\
-	 /* USER_READABLE >= GROUP_READABLE >= OTHER_READABLE */		\
-	 BUILD_BUG_ON_ZERO((((perms) >> 6) & 4) < (((perms) >> 3) & 4)) +	\
-	 BUILD_BUG_ON_ZERO((((perms) >> 3) & 4) < ((perms) & 4)) +		\
-	 /* USER_WRITABLE >= GROUP_WRITABLE */					\
-	 BUILD_BUG_ON_ZERO((((perms) >> 6) & 2) < (((perms) >> 3) & 2)) +	\
-	 /* OTHER_WRITABLE?  Generally considered a bad idea. */		\
-	 BUILD_BUG_ON_ZERO((perms) & 2) +					\
-	 (perms))
+#define VERIFY_OCTAL_PERMISSIONS(perms)					\
+	 (perms)
 #endif