Re: wdt285: fix sparse warnings

From: Wim Van Sebroeck
Date: Mon Sep 15 2008 - 04:06:27 EST


Ben,

...
> @@ -141,13 +141,13 @@ static long watchdog_ioctl(struct file *
> switch (cmd) {
> case WDIOC_GETSUPPORT:
> ret = 0;
> - if (copy_to_user((void *)arg, &ident, sizeof(ident)))
> + if (copy_to_user((void __user *)arg, &ident, sizeof(ident)))
> ret = -EFAULT;
> break;
>
...

Isn't it better to fix this like we did with the other watchdog drivers:
void __user *argp = (void __user *)arg;
int __user *p = argp;
...
if (copy_to_user(argp, &ident, sizeof(ident)))
...

Regards,
Wim.

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