diff options
Diffstat (limited to 'include/linux/bug.h')
| -rw-r--r-- | include/linux/bug.h | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/include/linux/bug.h b/include/linux/bug.h index baff2e8fc8a8..5828489309bb 100644 --- a/include/linux/bug.h +++ b/include/linux/bug.h @@ -124,18 +124,20 @@ static inline enum bug_trap_type report_bug(unsigned long bug_addr, /* * Since detected data corruption should stop operation on the affected - * structures, this returns false if the corruption condition is found. + * structures. Return value must be checked and sanely acted on by caller. */ +static inline __must_check bool check_data_corruption(bool v) { return v; } #define CHECK_DATA_CORRUPTION(condition, fmt, ...) \ - do { \ - if (unlikely(condition)) { \ + check_data_corruption(({ \ + bool corruption = unlikely(condition); \ + if (corruption) { \ if (IS_ENABLED(CONFIG_BUG_ON_DATA_CORRUPTION)) { \ pr_err(fmt, ##__VA_ARGS__); \ BUG(); \ } else \ WARN(1, fmt, ##__VA_ARGS__); \ - return false; \ } \ - } while (0) + corruption; \ + })) #endif /* _LINUX_BUG_H */ |