Re: error: implicit declarations of BUG/BUG_ON/WARN_ON/WARN_ON_ONCE

From: Fengguang Wu
Date: Mon Jun 25 2012 - 00:20:21 EST


Hi Paul,

The patch builds fine, thank you!

Tested-by: Fengguang Wu <wfg@xxxxxxxxxxxxxxx>

Thanks,
Fengguang

> I'm really starting to loathe this header. This should take care of it:
>
> ---
>
> diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h
> index 506ec19..7d10f96 100644
> --- a/include/asm-generic/bug.h
> +++ b/include/asm-generic/bug.h
> @@ -3,10 +3,18 @@
>
> #include <linux/compiler.h>
>
> +#ifdef CONFIG_GENERIC_BUG
> +#define BUGFLAG_WARNING (1 << 0)
> +#define BUGFLAG_TAINT(taint) (BUGFLAG_WARNING | ((taint) << 8))
> +#define BUG_GET_TAINT(bug) ((bug)->flags >> 8)
> +#endif
> +
> +#ifndef __ASSEMBLY__
> +#include <linux/kernel.h>
> +
> #ifdef CONFIG_BUG
>
> #ifdef CONFIG_GENERIC_BUG
> -#ifndef __ASSEMBLY__
> struct bug_entry {
> #ifndef CONFIG_GENERIC_BUG_RELATIVE_POINTERS
> unsigned long bug_addr;
> @@ -23,17 +31,8 @@ struct bug_entry {
> #endif
> unsigned short flags;
> };
> -#endif /* __ASSEMBLY__ */
> -
> -#define BUGFLAG_WARNING (1 << 0)
> -#define BUGFLAG_TAINT(taint) (BUGFLAG_WARNING | ((taint) << 8))
> -#define BUG_GET_TAINT(bug) ((bug)->flags >> 8)
> -
> #endif /* CONFIG_GENERIC_BUG */
>
> -#ifndef __ASSEMBLY__
> -#include <linux/kernel.h>
> -
> /*
> * Don't use BUG() or BUG_ON() unless there's really no way out; one
> * example might be detecting data structure corruption in the middle
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