On Tuesday 11/05 at 10:44 +0100, Greg Kroah-Hartman wrote:
> On Mon, Nov 04, 2024 at 11:56:19PM -0800, Calvin Owens wrote:
> > - dev_info(pps->dev, "removed\n");
> > + dev_info(&pps->dev, "removed\n");
>
> Nit, when drivers work properly, they are quiet, no need for these
> dev_info() calls.
I'll change these to dev_dbg().
> > static int pps_cdev_release(struct inode *inode, struct file *file)
> > {
> > - struct pps_device *pps = container_of(inode->i_cdev,
> > - struct pps_device, cdev);
> > - kobject_put(&pps->dev->kobj);
> > + struct pps_device *pps = file->private_data;
> > +
> > + WARN_ON(pps->id != iminor(inode));
>
> If this can happen, handle it and move on. Don't just reboot the
> machine if it's something that could be triggered (remember about
> panic-on-warn systems.)
It's a fairly paranoid WARN(): it's a bug if it happens, and I don't
think it can happen. Should I remove it?
The test-robot found a couple *pps->dev dereferences I missed, I'll send
a v4 in the next day or two with those fixed as well.
Thanks,
Calvin
> thanks,
>
> greg k-h
