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SubjectRe: [v4l-dvb-maintainer] Re: dvb shared datastructure bug?
On Tue, 13 Feb 2007, Jakub Jelinek wrote:
> Wouldn't it be better to kmalloc both struct dvb_device and
> struct file_operations together instead of doing 2 separate allocations?
> struct dvd_device_plus_fops
> {
> struct dvb_device dev;
> struct file_operations fops;
> } *dev_fops = kmalloc (sizeof (struct dvd_device_plus_fops), GFP_KERNEL);
> *pdvbdev = dvbdev = (struct dvb_device *)dev_fops;
> if (dev_fops == NULL)
> error handling;
> memset (&dev_fops->fops, 0, sizeof (dev_fops->fops));
> ...
> dvbdev->fops = &dev_fops->fops;

Maybe change struct dvb_device:

struct dvb_device {
struct list_head list_head;
- struct file_operations *fops;
+ struct file_operations fops;
struct dvb_adapter *adapter;


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