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-rw-r--r--include/linux/bug.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/bug.h b/include/linux/bug.h
index 7f4818673c41..e51b0709e78d 100644
--- a/include/linux/bug.h
+++ b/include/linux/bug.h
@@ -20,6 +20,7 @@ struct pt_regs;
#define BUILD_BUG_ON_MSG(cond, msg) (0)
#define BUILD_BUG_ON(condition) (0)
#define BUILD_BUG() (0)
+#define MAYBE_BUILD_BUG_ON(cond) (0)
#else /* __CHECKER__ */
/* Force a compilation error if a constant expression is not a power of 2 */
@@ -83,6 +84,14 @@ struct pt_regs;
*/
#define BUILD_BUG() BUILD_BUG_ON_MSG(1, "BUILD_BUG failed")
+#define MAYBE_BUILD_BUG_ON(cond) \
+ do { \
+ if (__builtin_constant_p((cond))) \
+ BUILD_BUG_ON(cond); \
+ else \
+ BUG_ON(cond); \
+ } while (0)
+
#endif /* __CHECKER__ */
#ifdef CONFIG_GENERIC_BUG