Re: [PATCH 1/1] compiler.h: Add missing include statement for build_bug.h

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On Thu, Nov 14, 2024 at 11:14:02AM +0100, Philipp Reisner wrote:
> compiler.h defines __must_be_array() and __must_be_cstr() and both
> expand to BUILD_BUG_ON_ZERO(). build_bug.h defines BUILD_BUG_ON_ZERO().
> So far compiler.h lacks to include build_bug.h.
> 
> Fix compiler.h by including build_bug.h. With that compiler.h and
> build_bug.h depend on each other.
> 
> Signed-off-by: Philipp Reisner <philipp.reisner@xxxxxxxxxx>
> ---

Fixes: ec0bbef66f86 ("Compiler Attributes: homogenize __must_be_array")

What actually breaks?  This commit is six years old.  It's weird that we're only
seeing build breakage now.  Or did you just notice this while reviewing the
code?

regards,
dan carpenter

>  include/linux/compiler.h | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/include/linux/compiler.h b/include/linux/compiler.h
> index 4d4e23b6e3e7..2d75e4892316 100644
> --- a/include/linux/compiler.h
> +++ b/include/linux/compiler.h
> @@ -3,6 +3,7 @@
>  #define __LINUX_COMPILER_H
>  
>  #include <linux/compiler_types.h>
> +#include <linux/build_bug.h>    /* for BUILD_BUG_ON_ZERO() */
>  
>  #ifndef __ASSEMBLY__
>  
> -- 
> 2.47.0
> 




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