Re: drivers/scsi/advansys.c - ld error ( Re: 2.6.23-rc3-mm1 )

[Gabriel C]

Matthew Wilcox wrote:
> On Wed, Aug 22, 2007 at 06:15:14PM +0200, Gabriel C wrote:
>> advansys.c:(.init.text+0x38ea): undefined reference to `isa_register_driver'
>> I guess advansys_{init,exit} is missing some #ifdef's ..
> 
> That's one conclusion.  I prefer to think that the ISA support should
> behave the same as the PCI and EISA support:

Yes right , your patch fixes the problem.

> 
> ----
> 
> When CONFIG_ISA is disabled, the isa_driver support will not be compiled
> in.  Define stubs so that we don't get link-time errors.
> 
> Signed-off-by: Matthew Wilcox <matthew@xxxxxx>
> 
> diff --git a/include/linux/isa.h b/include/linux/isa.h
> index 1b85533..b0270e3 100644
> --- a/include/linux/isa.h
> +++ b/include/linux/isa.h
> @@ -22,7 +22,18 @@ struct isa_driver {
>  
>  #define to_isa_driver(x) container_of((x), struct isa_driver, driver)
>  
> +#ifdef CONFIG_ISA
>  int isa_register_driver(struct isa_driver *, unsigned int);
>  void isa_unregister_driver(struct isa_driver *);
> +#else
> +static inline int isa_register_driver(struct isa_driver *d, unsigned int i)
> +{
> +	return 0;
> +}
> +
> +static inline void isa_unregister_driver(struct isa_driver *d)
> +{
> +}
> +#endif
>  
>  #endif /* __LINUX_ISA_H */
> 
-
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