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sparc: arch/sparc/kernel/apc.c to unlocked_ioctl

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This changes arch/sparc/kernel/apc.c to use unlocked_ioctl

Signed-off-by: Stoyan Gaydarov <stoyboyker@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Stoyan Gaydarov 2008-07-14 22:12:29 -07:00 committed by David S. Miller
parent f5e706ad88
commit ab772027ca
1 changed files with 28 additions and 12 deletions
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40
arch/sparc/kernel/apc.c
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@ -85,54 +85,70 @@ static int apc_release(struct inode *inode, struct file *f)
return 0;
}
static int apc_ioctl(struct inode *inode, struct file *f,
unsigned int cmd, unsigned long __arg)
static long apc_ioctl(struct file *f, unsigned int cmd, unsigned long __arg)
{
__u8 inarg, __user *arg;
arg = (__u8 __user *) __arg;
lock_kernel();
switch (cmd) {
case APCIOCGFANCTL:
if (put_user(apc_readb(APC_FANCTL_REG) & APC_REGMASK, arg))
return -EFAULT;
if (put_user(apc_readb(APC_FANCTL_REG) & APC_REGMASK, arg)) {
unlock_kernel();
return -EFAULT;
}
break;
case APCIOCGCPWR:
if (put_user(apc_readb(APC_CPOWER_REG) & APC_REGMASK, arg))
if (put_user(apc_readb(APC_CPOWER_REG) & APC_REGMASK, arg)) {
unlock_kernel();
return -EFAULT;
}
break;
case APCIOCGBPORT:
if (put_user(apc_readb(APC_BPORT_REG) & APC_BPMASK, arg))
if (put_user(apc_readb(APC_BPORT_REG) & APC_BPMASK, arg)) {
unlock_kernel();
return -EFAULT;
}
break;
case APCIOCSFANCTL:
if (get_user(inarg, arg))
if (get_user(inarg, arg)) {
unlock_kernel();
return -EFAULT;
}
apc_writeb(inarg & APC_REGMASK, APC_FANCTL_REG);
break;
case APCIOCSCPWR:
if (get_user(inarg, arg))
if (get_user(inarg, arg)) {
unlock_kernel();
return -EFAULT;
}
apc_writeb(inarg & APC_REGMASK, APC_CPOWER_REG);
break;
case APCIOCSBPORT:
if (get_user(inarg, arg))
if (get_user(inarg, arg)) {
unlock_kernel();
return -EFAULT;
}
apc_writeb(inarg & APC_BPMASK, APC_BPORT_REG);
break;
default:
unlock_kernel();
return -EINVAL;
};
unlock_kernel();
return 0;
}
static const struct file_operations apc_fops = {
.ioctl = apc_ioctl,
.open = apc_open,
.release = apc_release,
.unlocked_ioctl = apc_ioctl,
.open = apc_open,
.release = apc_release,
};
static struct miscdevice apc_miscdev = { APC_MINOR, APC_DEVNAME, &apc_fops };