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SubjectRe: [PATCH] es1371 pci fix/cleanup
Marcus Meissner wrote:
>
> Hi,
>
> This moves pci_enable_device in the es1371 driver before any resource
> access and also replaces the RSRCISIOREGION by just pci_resource_flags
> as suggested by Jeff.
>
> Tested and verified.
>
> Ciao, Marcus
>
> Index: drivers/sound/es1371.c
> ===================================================================
> RCS file: /build/mm/work/repository/linux-mm/drivers/sound/es1371.c,v
> retrieving revision 1.7
> diff -u -r1.7 es1371.c
> --- drivers/sound/es1371.c 2001/04/17 17:26:05 1.7
> +++ drivers/sound/es1371.c 2001/04/23 15:49:15
> @@ -2771,9 +2771,6 @@
> { SOUND_MIXER_WRITE_IGAIN, 0x4040 }
> };
>
> -#define RSRCISIOREGION(dev,num) (pci_resource_start((dev), (num)) != 0 && \
> - (pci_resource_flags((dev), (num)) & IORESOURCE_IO))
> -
> static int __devinit es1371_probe(struct pci_dev *pcidev, const struct pci_device_id *pciid)
> {
> struct es1371_state *s;
> @@ -2783,8 +2780,11 @@
> signed long tmo2;
> unsigned int cssr;
>
> - if (!RSRCISIOREGION(pcidev, 0))
> + if (pci_enable_device(pcidev))
> return -1;
> +
> + if (!(pci_resource_flags(pcidev, 0) & IORESOURCE_IO))
> + return -1;
> if (pcidev->irq == 0)
> return -1;

Looks ok except error returns.

pci_enable_device - obtain its return value, and return that.

no IORESOURCE_IO or pcidev->irq==0 - I guess -ENODEV would be
appropriate. (basically look at errno.h and make a judgement call which
error best fits the situation)

--
Jeff Garzik | The difference between America and England is that
Building 1024 | the English think 100 miles is a long distance and
MandrakeSoft | the Americans think 100 years is a long time.
| (random fortune)
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