diff options
Diffstat (limited to 'include/linux/kmemcheck.h')
| -rw-r--r-- | include/linux/kmemcheck.h | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/include/linux/kmemcheck.h b/include/linux/kmemcheck.h index dc2fd545db00..e880d4cf9e22 100644 --- a/include/linux/kmemcheck.h +++ b/include/linux/kmemcheck.h @@ -144,10 +144,15 @@ static inline bool kmemcheck_is_obj_initialized(unsigned long addr, size_t size) int name##_end[0]; #define kmemcheck_annotate_bitfield(ptr, name) \ - do if (ptr) { \ - int _n = (long) &((ptr)->name##_end) \ + do { \ + int _n; \ + \ + if (!ptr) \ + break; \ + \ + _n = (long) &((ptr)->name##_end) \ - (long) &((ptr)->name##_begin); \ - BUILD_BUG_ON(_n < 0); \ + MAYBE_BUILD_BUG_ON(_n < 0); \ \ kmemcheck_mark_initialized(&((ptr)->name##_begin), _n); \ } while (0) |