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[v7,5/9] bug.h: Fix BUILD_BUG_ON macro in __CHECKER__

Message ID 1357074597-21722-5-git-send-email-daniel.santos@pobox.com (mailing list archive)
State Not Applicable, archived
Headers show

Commit Message

Daniel Santos Jan. 1, 2013, 9:09 p.m. UTC 
When __CHECKER__ is defined, we disable all of the BUILD_BUG.* macros.
However, both BUILD_BUG_ON_NOT_POWER_OF_2 and BUILD_BUG_ON was
evaluating to nothing in this case, and we want (0) since this is a
function-like macro that will be followed by a semicolon.

Signed-off-by: Daniel Santos <daniel.santos@pobox.com>
Acked-by: Borislav Petkov <bp@alien8.de>
---
 include/linux/bug.h |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/include/linux/bug.h b/include/linux/bug.h
index 2a11774..27d404f 100644
--- a/include/linux/bug.h
+++ b/include/linux/bug.h
@@ -12,11 +12,11 @@  enum bug_trap_type {
 struct pt_regs;
 
 #ifdef __CHECKER__
-#define BUILD_BUG_ON_NOT_POWER_OF_2(n)
+#define BUILD_BUG_ON_NOT_POWER_OF_2(n) (0)
 #define BUILD_BUG_ON_ZERO(e) (0)
 #define BUILD_BUG_ON_NULL(e) ((void*)0)
 #define BUILD_BUG_ON_INVALID(e) (0)
-#define BUILD_BUG_ON(condition)
+#define BUILD_BUG_ON(condition) (0)
 #define BUILD_BUG() (0)
 #else /* __CHECKER__ */