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authorLinus Torvalds <torvalds@linux-foundation.org>2010-03-19 23:40:03 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2010-03-19 23:40:03 +0300
commit8dba8f949492cf2ffb32c1c2fbfe12c3f53b1866 (patch)
treeeb91a9a4f3ab0f71ca388fd17cb7dd9e03adb9f4 /drivers/char/vt_ioctl.c
parent2eb645e7b5662da47646f76b41b4141f2c9bf13a (diff)
parent336cee42dd52824e360ab419eab4e8888eb054ec (diff)
downloadlinux-8dba8f949492cf2ffb32c1c2fbfe12c3f53b1866.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6: tty_port,usb-console: Fix usb serial console open/close regression tty: cpm_uart: use resource_size() tty_buffer: Fix distinct type warning hvc_console: Fix race between hvc_close and hvc_remove uartlite: Fix build on sparc. tty: Take a 256 byte padding into account when buffering below sub-page units Revert "tty: Add a new VT mode which is like VT_PROCESS but doesn't require a VT_RELDISP ioctl call"
Diffstat (limited to 'drivers/char/vt_ioctl.c')
-rw-r--r--drivers/char/vt_ioctl.c39
1 files changed, 19 insertions, 20 deletions
diff --git a/drivers/char/vt_ioctl.c b/drivers/char/vt_ioctl.c
index 87778dcf8727..6aa10284104a 100644
--- a/drivers/char/vt_ioctl.c
+++ b/drivers/char/vt_ioctl.c
@@ -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 && tmp.mode != VT_PROCESS_AUTO) {
+ if (tmp.mode != VT_AUTO && tmp.mode != VT_PROCESS) {
ret = -EINVAL;
goto out;
}
@@ -1622,7 +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 || vc->vt_mode.mode == VT_PROCESS_AUTO) {
+ if (vc->vt_mode.mode == VT_PROCESS) {
/*
* Send the signal as privileged - kill_pid() will
* tell us if the process has gone or something else
@@ -1682,7 +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 || vc->vt_mode.mode == VT_PROCESS_AUTO) {
+ if (vc->vt_mode.mode == VT_PROCESS) {
/*
* Send the signal as privileged - kill_pid() will
* tell us if the process has gone or something else
@@ -1693,28 +1693,27 @@ 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 {
/*
- * 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.
+ * It worked. Mark the vt to switch to and
+ * return. The process needs to send us a
+ * VT_RELDISP ioctl to complete the switch.
*/
- reset_vc(vc);
+ return;
}
/*
- * Fall through to normal (VT_AUTO and VT_PROCESS_AUTO) handling of 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.
+ */
+ reset_vc(vc);
+
+ /*
+ * Fall through to normal (VT_AUTO) handling of the switch...
*/
}