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path: root/drivers/char/vt_ioctl.c
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Diffstat (limited to 'drivers/char/vt_ioctl.c')
-rw-r--r--drivers/char/vt_ioctl.c53
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...
*/
}