diff options
Diffstat (limited to 'include/asm-generic/bug.h')
| -rw-r--r-- | include/asm-generic/bug.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h index 6aa3eada0e..18a1b419ff 100644 --- a/include/asm-generic/bug.h +++ b/include/asm-generic/bug.h @@ -1,3 +1,5 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + #ifndef _ASM_GENERIC_BUG_H #define _ASM_GENERIC_BUG_H @@ -48,4 +50,21 @@ } \ unlikely(__ret_warn_once); \ }) + +#define WARN_ON_ONCE(condition) ({ \ + static int __warned; \ + int __ret_warn_once = !!(condition); \ + \ + if (unlikely(__ret_warn_once && !__warned)) { \ + __warned = 1; \ + __WARN(); \ + } \ + unlikely(__ret_warn_once); \ +}) + +#define ASSERT(expr) do { \ + if (IS_ENABLED(CONFIG_BUG_ON_DATA_CORRUPTION)) \ + BUG_ON(!(expr)); \ +} while (0) + #endif |