Re: [PATCH] kmemcheck: fix sparse warning

From: Johannes Berg
Date: Wed Jul 29 2009 - 09:43:21 EST


On Mon, 2009-07-06 at 11:53 +0200, Johannes Berg wrote:
> 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.

Whatever happened to this patch? Did you decide to screw sparse
warnings?

johannes

> Signed-off-by: Johannes Berg <johannes@xxxxxxxxxxxxxxxx>
> ---
> include/linux/kmemcheck.h | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> --- wireless-testing.orig/include/linux/kmemcheck.h 2009-07-06 11:41:16.000000000 +0200
> +++ wireless-testing/include/linux/kmemcheck.h 2009-07-06 11:41:30.000000000 +0200
> @@ -137,13 +137,13 @@ static inline void kmemcheck_mark_initia
> int name##_end[0];
>
> #define kmemcheck_annotate_bitfield(ptr, name) \
> - do if (ptr) { \
> + do { if (ptr) { \
> int _n = (long) &((ptr)->name##_end) \
> - (long) &((ptr)->name##_begin); \
> BUILD_BUG_ON(_n < 0); \
> \
> kmemcheck_mark_initialized(&((ptr)->name##_begin), _n); \
> - } while (0)
> + } } while (0)
>
> #define kmemcheck_annotate_variable(var) \
> do { \
>

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