diff options
Diffstat (limited to 'drivers/char/vt_ioctl.c')
-rw-r--r-- | drivers/char/vt_ioctl.c | 53 |
1 files changed, 28 insertions, 25 deletions
diff --git a/drivers/char/vt_ioctl.c b/drivers/char/vt_ioctl.c index 29c651ab0d78..87778dcf8727 100644 --- a/drivers/char/vt_ioctl.c +++ b/drivers/char/vt_ioctl.c @@ -103,8 +103,8 @@ void vt_event_post(unsigned int event, unsigned int old, unsigned int new) ve->event.event = event; /* kernel view is consoles 0..n-1, user space view is console 1..n with 0 meaning current, so we must bias */ - ve->event.old = old + 1; - ve->event.new = new + 1; + ve->event.oldev = old + 1; + ve->event.newev = new + 1; wake = 1; ve->done = 1; } @@ -186,7 +186,7 @@ int vt_waitactive(int n) vt_event_wait(&vw); if (vw.done == 0) return -EINTR; - } while (vw.event.new != n); + } while (vw.event.newev != n); return 0; } @@ -888,7 +888,7 @@ int vt_ioctl(struct tty_struct *tty, struct file * file, ret = -EFAULT; goto out; } - if (tmp.mode != VT_AUTO && tmp.mode != VT_PROCESS) { + if (tmp.mode != VT_AUTO && tmp.mode != VT_PROCESS && tmp.mode != VT_PROCESS_AUTO) { ret = -EINVAL; goto out; } @@ -981,8 +981,10 @@ int vt_ioctl(struct tty_struct *tty, struct file * file, goto eperm; if (copy_from_user(&vsa, (struct vt_setactivate __user *)arg, - sizeof(struct vt_setactivate))) - return -EFAULT; + sizeof(struct vt_setactivate))) { + ret = -EFAULT; + goto out; + } if (vsa.console == 0 || vsa.console > MAX_NR_CONSOLES) ret = -ENXIO; else { @@ -1530,7 +1532,7 @@ long vt_compat_ioctl(struct tty_struct *tty, struct file * file, case PIO_UNIMAP: case GIO_UNIMAP: - ret = do_unimap_ioctl(cmd, up, perm, vc); + ret = compat_unimap_ioctl(cmd, up, perm, vc); break; /* @@ -1620,7 +1622,7 @@ static void complete_change_console(struct vc_data *vc) * telling it that it has acquired. Also check if it has died and * clean up (similar to logic employed in change_console()) */ - if (vc->vt_mode.mode == VT_PROCESS) { + if (vc->vt_mode.mode == VT_PROCESS || vc->vt_mode.mode == VT_PROCESS_AUTO) { /* * Send the signal as privileged - kill_pid() will * tell us if the process has gone or something else @@ -1680,7 +1682,7 @@ void change_console(struct vc_data *new_vc) * vt to auto control. */ vc = vc_cons[fg_console].d; - if (vc->vt_mode.mode == VT_PROCESS) { + if (vc->vt_mode.mode == VT_PROCESS || vc->vt_mode.mode == VT_PROCESS_AUTO) { /* * Send the signal as privileged - kill_pid() will * tell us if the process has gone or something else @@ -1691,27 +1693,28 @@ void change_console(struct vc_data *new_vc) */ vc->vt_newvt = new_vc->vc_num; if (kill_pid(vc->vt_pid, vc->vt_mode.relsig, 1) == 0) { + if(vc->vt_mode.mode == VT_PROCESS) + /* + * It worked. Mark the vt to switch to and + * return. The process needs to send us a + * VT_RELDISP ioctl to complete the switch. + */ + return; + } else { /* - * It worked. Mark the vt to switch to and - * return. The process needs to send us a - * VT_RELDISP ioctl to complete the switch. + * The controlling process has died, so we revert back to + * normal operation. In this case, we'll also change back + * to KD_TEXT mode. I'm not sure if this is strictly correct + * but it saves the agony when the X server dies and the screen + * remains blanked due to KD_GRAPHICS! It would be nice to do + * this outside of VT_PROCESS but there is no single process + * to account for and tracking tty count may be undesirable. */ - return; + reset_vc(vc); } /* - * The controlling process has died, so we revert back to - * normal operation. In this case, we'll also change back - * to KD_TEXT mode. I'm not sure if this is strictly correct - * but it saves the agony when the X server dies and the screen - * remains blanked due to KD_GRAPHICS! It would be nice to do - * this outside of VT_PROCESS but there is no single process - * to account for and tracking tty count may be undesirable. - */ - reset_vc(vc); - - /* - * Fall through to normal (VT_AUTO) handling of the switch... + * Fall through to normal (VT_AUTO and VT_PROCESS_AUTO) handling of the switch... */ } |