Re: [WATCHDOG] sa1100_wdt.c sparse cleanups

[Al Viro]

On Sat, Nov 05, 2005 at 10:10:27AM +0000, Russell King wrote:
> It's probably better to use a union with these, eg:
> 
> 	union {
> 		void __user *arg;
> 		struct watchdog_info __user *info;
> 		int __user *i;
> 	} u;
> 
> 	u.arg = (void __user *)arg;
> 
> ...
> 
> 	ret = copy_to_user(u.info, &ident, sizeof(ident)) ? -EFAULT : 0;

Just use void __user *.
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