Richard Knutsson <[EMAIL PROTECTED]> wrote:
>
> Richard Knutsson wrote:
> 
> > Andrew Morton wrote:
> >
> >> Richard Knutsson <[EMAIL PROTECTED]> wrote:
> >>  
> >>
> >>>>      */
> >>>>     
> >>>
> >>> > #ifdef CONFIG_EISA
> >>> >-    eisacount = eisa_driver_register(&dgrs_eisa_driver);
> >>> >-    if (eisacount < 0)
> >>> >-        return eisacount;
> >>> >-#endif
> >>> >-#ifdef CONFIG_PCI
> >>> >-    pcicount = pci_register_driver(&dgrs_pci_driver);
> >>> >-    if (pcicount)
> >>> >-        return pcicount;
> >>> >+    cardcount = eisa_driver_register(&dgrs_eisa_driver);
> >>> >+    if (cardcount < 0)
> >>> >+        return cardcount;
> >>> > #endif
> >>> >+    cardcount = pci_register_driver(&dgrs_pci_driver);
> >>> >+    if (cardcount)
> >>> >+        return cardcount;
> >>> >     return 0;
> >>> > }
> >>> >  >
> >>> I do not know what to think about this one:
> >>> * reduce one #ifdef: good
> >>> * check for something clearly stated not to: not so good
> >>>   
> >>
> >>
> >> Well a nicer fix would be to provide a stub implementation of
> >> eisa_driver_register() if !CONFIG_EISA, just like 
> >> pci_register_driver(). Then all the ifdefs go away and the compiler 
> >> removes all the code for us,
> >> after checking that we typed it correctly.
> >>  
> >>
> > Oh, sorry. Missed the stub implementation of the pci-driver. I "ack" 
> > your patch.
> >
> > BTW, can anyone ack or is that up to the maintainers?
> > BTW #2, why not remove #ifdef CONFIG_PCI on dgrs_cleanup_module() at 
> > the same time? Or maybe that should be in a "remove config_pci"-patch...
> >
> > /Richard
> 
> Just realized; what happens if CONFIG_EISA && !CONFIG_PCI and 
> eisa_driver_register() returns value > 0, then the if-statement for the 
> pci-driver is going to return the value, instead of 0.

if !CONFIG_PCI, pci_register_driver() will return zero.
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