1 files changed, 4 insertions, 3 deletions

diff --git a/drivers/s390/char/vmcp.c b/drivers/s390/char/vmcp.c
index 04e532eec032..31a3ccbb6495 100644
--- a/drivers/s390/char/vmcp.c
+++ b/drivers/s390/char/vmcp.c
@@ -47,7 +47,7 @@ static int vmcp_release(struct inode *inode, struct file *file)
 {
         struct vmcp_session *session;
 
-        session = (struct vmcp_session *)file->private_data;
+        session = file->private_data;
         file->private_data = NULL;
         free_pages((unsigned long)session->response, get_order(session->bufsize));
         kfree(session);
@@ -94,7 +94,7 @@ vmcp_write(struct file *file, const char __user *buff, size_t count,
                 return -EFAULT;
         }
         cmd[count] = '\0';
-        session = (struct vmcp_session *)file->private_data;
+        session = file->private_data;
         if (mutex_lock_interruptible(&session->mutex)) {
                 kfree(cmd);
                 return -ERESTARTSYS;
@@ -136,7 +136,7 @@ static long vmcp_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
         int __user *argp;
         int temp;
 
-        session = (struct vmcp_session *)file->private_data;
+        session = file->private_data;
         if (is_compat_task())
                 argp = compat_ptr(arg);
         else
@@ -177,6 +177,7 @@ static const struct file_operations vmcp_fops = {
         .write          = vmcp_write,
         .unlocked_ioctl = vmcp_ioctl,
         .compat_ioctl   = vmcp_ioctl,
+        .llseek         = no_llseek,
 };
 
 static struct miscdevice vmcp_dev = {