SCSI: fix compat_ioctl compile warnings

Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

drivers/scsi/aacraid/linit.c

@@ -514,10 +514,10 @@ static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long
 	return ret;
 }
 
-static long aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
+static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
 {
 	struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
-	return aac_compat_do_ioctl(dev, cmd, arg);
+	return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
 }
 
 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)

drivers/scsi/osst.c

@@ -5129,7 +5129,7 @@ static long osst_compat_ioctl(struct file * file, unsigned int cmd_in, unsigned
 	int ret = -ENOIOCTLCMD;
 	if (sdev->host->hostt->compat_ioctl) {
 
-		ret = sdev->host->hostt->compat_ioctl(sdev, cmd_in, arg);
+		ret = sdev->host->hostt->compat_ioctl(sdev, cmd_in, (void __user *)arg);
 
 	}
 	return ret;

drivers/scsi/st.c

@@ -3427,14 +3427,14 @@ static int st_ioctl(struct inode *inode, struct file *file,
 }
 
 #ifdef CONFIG_COMPAT
-static int st_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+static long st_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
 	struct scsi_tape *STp = file->private_data;
 	struct scsi_device *sdev = STp->device;
 	int ret = -ENOIOCTLCMD;
 	if (sdev->host->hostt->compat_ioctl) { 
 
-		ret = sdev->host->hostt->compat_ioctl(sdev, cmd, arg);
+		ret = sdev->host->hostt->compat_ioctl(sdev, cmd, (void __user *)arg);
 
 	}
 	return ret;