kmemcheck: add missing braces to do-while in kmemcheck_annotate_bitfield

Whether or not the sparse warning

	warning: do-while statement is not a compound statement

is justified or not in this case, it is annoying and trivial to fix.

[vegard.nossum@gmail.com: title and cleanup]
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Vegard Nossum <vegard.nossum@gmail.com>

diff --git a/include/linux/kmemcheck.h b/include/linux/kmemcheck.h
index 47b39b7..06c6c55 100644 (file)
--- a/include/linux/kmemcheck.h
+++ b/include/linux/kmemcheck.h
@@ -137,7 +137,10 @@ static inline void kmemcheck_mark_initialized_pages(struct page *p,
        int name##_end[0];
 
 #define kmemcheck_annotate_bitfield(ptr, name)                         \
-       do if (ptr) {                                                   \
+       do {                                                            \
+               if (!ptr)                                               \
+                       break;                                          \
+                                                                       \
                int _n = (long) &((ptr)->name##_end)                    \
                        - (long) &((ptr)->name##_begin);                \
                BUILD_BUG_ON(_n < 0);                                   \