Viewing file:  ioctl.c (1.16 KB) -rw-r--r--
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/*
* ioctl.c
*
* Copyright (C) 1995, 1996 by Volker Lendecke
* Copyright (C) 1997 by Volker Lendecke
*
* Please add a note about your changes to smbfs in the ChangeLog file.
*/
#include <linux/errno.h>
#include <linux/fs.h>
#include <linux/ioctl.h>
#include <linux/sched.h>
#include <linux/mm.h>
#include <linux/highuid.h>
#include <linux/smb_fs.h>
#include <linux/smb_mount.h>
#include <asm/uaccess.h>
#include "proto.h"
int
smb_ioctl(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg)
{
struct smb_sb_info *server = server_from_inode(inode);
struct smb_conn_opt opt;
int result = -EINVAL;
switch (cmd) {
case SMB_IOC_GETMOUNTUID:
result = put_user(NEW_TO_OLD_UID(server->mnt->mounted_uid),
(uid16_t *) arg);
break;
case SMB_IOC_GETMOUNTUID32:
result = put_user(server->mnt->mounted_uid, (uid_t *) arg);
break;
case SMB_IOC_NEWCONN:
/* arg is smb_conn_opt, or NULL if no connection was made */
if (!arg) {
result = smb_wakeup(server);
break;
}
result = -EFAULT;
if (!copy_from_user(&opt, (void *)arg, sizeof(opt)))
result = smb_newconn(server, &opt);
break;
default:
break;
}
return result;
}
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