Merge branch 'master' into csb1725

[mv-sheeva.git] / drivers / staging / smbfs / ioctl.c

diff --git a/drivers/staging/smbfs/ioctl.c b/drivers/staging/smbfs/ioctl.c
new file mode 100644 (file)
index 0000000..2da1692
--- /dev/null
+++ b/drivers/staging/smbfs/ioctl.c
@@ -0,0 +1,68 @@
+/*
+ *  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/time.h>
+#include <linux/mm.h>
+#include <linux/highuid.h>
+#include <linux/smp_lock.h>
+#include <linux/net.h>
+
+#include <asm/uaccess.h>
+
+#include "smb_fs.h"
+#include "smb_mount.h"
+#include "proto.h"
+
+long
+smb_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+{
+       struct smb_sb_info *server = server_from_inode(filp->f_path.dentry->d_inode);
+       struct smb_conn_opt opt;
+       int result = -EINVAL;
+
+       lock_kernel();
+       switch (cmd) {
+               uid16_t uid16;
+               uid_t uid32;
+       case SMB_IOC_GETMOUNTUID:
+               SET_UID(uid16, server->mnt->mounted_uid);
+               result = put_user(uid16, (uid16_t __user *) arg);
+               break;
+       case SMB_IOC_GETMOUNTUID32:
+               SET_UID(uid32, server->mnt->mounted_uid);
+               result = put_user(uid32, (uid_t __user *) arg);
+               break;
+
+       case SMB_IOC_NEWCONN:
+               /* arg is smb_conn_opt, or NULL if no connection was made */
+               if (!arg) {
+                       result = 0;
+                       smb_lock_server(server);
+                       server->state = CONN_RETRIED;
+                       printk(KERN_ERR "Connection attempt failed!  [%d]\n",
+                              server->conn_error);
+                       smbiod_flush(server);
+                       smb_unlock_server(server);
+                       break;
+               }
+
+               result = -EFAULT;
+               if (!copy_from_user(&opt, (void __user *)arg, sizeof(opt)))
+                       result = smb_newconn(server, &opt);
+               break;
+       default:
+               break;
+       }
+       unlock_kernel();
+
+       return result;
+}