diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-generic/bug.h | 12 | ||||
| -rw-r--r-- | include/linux/compiler_types.h | 4 |
2 files changed, 14 insertions, 2 deletions
diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h index f20e1b4d65..5d0a458eae 100644 --- a/include/asm-generic/bug.h +++ b/include/asm-generic/bug.h @@ -50,4 +50,16 @@ } \ 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); \ +}) + #endif diff --git a/include/linux/compiler_types.h b/include/linux/compiler_types.h index 9a5a6f0e8b..aa9cbcac77 100644 --- a/include/linux/compiler_types.h +++ b/include/linux/compiler_types.h @@ -201,8 +201,8 @@ struct ftrace_likely_data { #define __pure __attribute__((pure)) #define __aligned(x) __attribute__((aligned(x))) #define __aligned_largest __attribute__((aligned)) -#define __printf(a, b) __attribute__((format(printf, a, b))) -#define __scanf(a, b) __attribute__((format(scanf, a, b))) +#define __printf(a, b) __attribute__((format(__printf__, a, b))) +#define __scanf(a, b) __attribute__((format(__scanf__, a, b))) #define __maybe_unused __attribute__((unused)) #define __always_unused __attribute__((unused)) #define __mode(x) __attribute__((mode(x))) |