On Fri, Oct 05, 2012 at 02:42:46PM -0500, danielfsantos@xxxxxxx wrote:
> --- a/include/linux/compiler.h
> +++ b/include/linux/compiler.h
> @@ -296,6 +296,11 @@ void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect);
> #endif
> #ifndef __compiletime_error
> # define __compiletime_error(message)
> +# define __compiletime_error_fallback(condition) \
> + ((void)sizeof(char[1 - 2*!!(condition)]))
> +#endif
> +#ifndef __compiletime_error_fallback
> +# define __compiletime_error_fallback(condition) (void)(0)
Might want to use do { } while (0) here, to force the use of a
semicolon and avoid the use of __compiletime_error_fallback in an
expression.
- Josh Triplett
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