Re: [PATCH] watchdog: add support for w83697hg chip

From: Alan Cox
Date: Sat Sep 09 2006 - 10:59:40 EST


Ar Mer, 2006-09-06 am 12:29 +0200, ysgrifennodd Samuel Tardieu:
> +static unsigned char
> +w83697hg_get_reg(unsigned char reg)
> +{
> + outb_p(reg, W83697HG_EFIR);
> + return inb_p(W83697HG_EFDR);
> +}

No kernel level locking anywhere in the driver. Yet you could have two
people accessing it at once.


> +wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
> + unsigned long arg)
> +{
> + default:
> + return -ENOIOCTLCMD;

Should be -ENOTTY

> + printk(KERN_INFO PFX "Looking for W83697HG at address 0x%x\n", wdt_io);

KERN_DEBUG


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