{
struct avc_audit_data ad;
struct file *file, *devnull = NULL;
- struct tty_struct *tty = current->signal->tty;
+ struct tty_struct *tty;
struct fdtable *fdt;
long j = -1;
+ int drop_tty = 0;
+ mutex_lock(&tty_mutex);
+ tty = get_current_tty();
if (tty) {
file_list_lock();
file = list_entry(tty->tty_files.next, typeof(*file), f_u.fu_list);
struct inode *inode = file->f_dentry->d_inode;
if (inode_has_perm(current, inode,
FILE__READ | FILE__WRITE, NULL)) {
- /* Reset controlling tty. */
- current->signal->tty = NULL;
- current->signal->tty_old_pgrp = 0;
+ drop_tty = 1;
}
}
file_list_unlock();
+
+ /* Reset controlling tty. */
+ if (drop_tty)
+ proc_set_tty(current, NULL);
}
+ mutex_unlock(&tty_mutex);
/* Revalidate access to inherited open files. */