diff options
Diffstat (limited to 'drivers/s390/char/vmcp.c')
| -rw-r--r-- | drivers/s390/char/vmcp.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/s390/char/vmcp.c b/drivers/s390/char/vmcp.c index 04e532eec03..0fdedadff7b 100644 --- a/drivers/s390/char/vmcp.c +++ b/drivers/s390/char/vmcp.c @@ -1,5 +1,5 @@ /* - * Copyright IBM Corp. 2004,2010 + * Copyright IBM Corp. 2004, 2010 * Interface implementation for communication with the z/VM control program * * Author(s): Christian Borntraeger <borntraeger@de.ibm.com> @@ -13,9 +13,11 @@ #include <linux/fs.h> #include <linux/init.h> +#include <linux/compat.h> #include <linux/kernel.h> #include <linux/miscdevice.h> #include <linux/slab.h> +#include <linux/export.h> #include <asm/compat.h> #include <asm/cpcmd.h> #include <asm/debug.h> @@ -47,7 +49,7 @@ 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 +96,7 @@ 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 +138,7 @@ 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 +179,7 @@ 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 = { |