On 9/09, Alan Cox wrote:
| No kernel level locking anywhere in the driver. Yet you could have two
| people accessing it at once.
The device can be open only by one client at a time, this is checked in
open(), as was done in most other watchdog drivers.
| > +wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
| > + unsigned long arg)
| > +{
| > + default:
| > + return -ENOIOCTLCMD;
|
| Should be -ENOTTY
We have 44 instances of ENOIOCTLCMD in other watchdog drivers
and zero instances of ENOTTY. Should we change all the instances, adopt
what has been done or just change the new ones?
| > + printk(KERN_INFO PFX "Looking for W83697HG at address 0x%x\n", wdt_io);
|
| KERN_DEBUG
Fixed in my copy.
Sam
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