#include "raw3270.h"
#include "ctrlchar.h"
-struct raw3270_fn fs3270_fn;
+static struct raw3270_fn fs3270_fn;
struct fs3270 {
struct raw3270_view view;
}
/* View to a 3270 device. Can be console, tty or fullscreen. */
-struct raw3270_fn fs3270_fn = {
+static struct raw3270_fn fs3270_fn = {
.activate = fs3270_activate,
.deactivate = fs3270_deactivate,
.intv = (void *) fs3270_irq,
struct idal_buffer *ib;
int minor, rc;
- if (imajor(filp->f_dentry->d_inode) != IBM_FS3270_MAJOR)
+ if (imajor(filp->f_path.dentry->d_inode) != IBM_FS3270_MAJOR)
return -ENODEV;
- minor = iminor(filp->f_dentry->d_inode);
+ minor = iminor(filp->f_path.dentry->d_inode);
/* Check for minor 0 multiplexer. */
if (minor == 0) {
- if (!current->signal->tty)
+ struct tty_struct *tty;
+ mutex_lock(&tty_mutex);
+ tty = get_current_tty();
+ if (!tty || tty->driver->major != IBM_TTY3270_MAJOR) {
+ mutex_unlock(&tty_mutex);
return -ENODEV;
- if (current->signal->tty->driver->major != IBM_TTY3270_MAJOR)
- return -ENODEV;
- minor = current->signal->tty->index + RAW3270_FIRSTMINOR;
+ }
+ minor = tty->index + RAW3270_FIRSTMINOR;
+ mutex_unlock(&tty_mutex);
}
/* Check if some other program is already using fullscreen mode. */
fp = (struct fs3270 *) raw3270_find_view(&fs3270_fn, minor);
return 0;
}
-static struct file_operations fs3270_fops = {
+static const struct file_operations fs3270_fops = {
.owner = THIS_MODULE, /* owner */
.read = fs3270_read, /* read */
.write = fs3270_write, /* write */