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-rw-r--r--include/asm-generic/bug.h7
1 files changed, 5 insertions, 2 deletions
diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h
index 6e794420bd39..387720933973 100644
--- a/include/asm-generic/bug.h
+++ b/include/asm-generic/bug.h
@@ -72,7 +72,7 @@ struct bug_entry {
#endif
/*
- * WARN(), WARN_ON(), WARN_ON_ONCE, and so on can be used to report
+ * WARN(), WARN_ON(), WARN_ON_ONCE(), and so on can be used to report
* significant kernel issues that need prompt attention if they should ever
* appear at runtime.
*
@@ -156,7 +156,10 @@ extern __printf(1, 2) void __warn_printk(const char *fmt, ...);
#else /* !CONFIG_BUG */
#ifndef HAVE_ARCH_BUG
-#define BUG() do {} while (1)
+#define BUG() do { \
+ do {} while (1); \
+ unreachable(); \
+} while (0)
#endif
#ifndef HAVE_ARCH_BUG_ON