On Tue, May 21, 2019 at 02:23:13PM +0300, Dan Carpenter wrote:
> On Fri, May 17, 2019 at 01:54:51PM +0200, Greg KH wrote:
> > On Fri, May 17, 2019 at 12:03:12PM +0100, Jeremy Sowden wrote:
> > > static ssize_t show_attr(struct device *dev, struct device_attribute
> > > *attr, char *buf)
> > >
On Fri, May 17, 2019 at 01:54:51PM +0200, Greg KH wrote:
> On Fri, May 17, 2019 at 12:03:12PM +0100, Jeremy Sowden wrote:
> > static ssize_t show_attr(struct device *dev, struct device_attribute
> > *attr, char *buf)
> > {
> > -struct pci_dev *pdev = to_pci_dev(dev);
> > -struct
On 2019-05-17, at 13:54:51 +0200, Greg KH wrote:
> On Fri, May 17, 2019 at 12:03:12PM +0100, Jeremy Sowden wrote:
> > The call-backs used the same recipe to get the pcard from dev:
> >
> > struct pci_dev *pdev = to_pci_dev(dev);
> > struct kp2000_device *pcard;
> >
> > if (!pdev) return
On Fri, May 17, 2019 at 12:03:12PM +0100, Jeremy Sowden wrote:
> The call-backs used the same recipe to get the pcard from dev:
>
> struct pci_dev *pdev = to_pci_dev(dev);
> struct kp2000_device *pcard;
>
> if (!pdev) return -ENXIO;
> pcard = pci_get_drvdata(pdev);
> if (!pcard) return
The call-backs used the same recipe to get the pcard from dev:
struct pci_dev *pdev = to_pci_dev(dev);
struct kp2000_device *pcard;
if (!pdev) return -ENXIO;
pcard = pci_get_drvdata(pdev);
if (!pcard) return -ENXIO;
where to_pci_dev is a wrapper for container_of.
However,
