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-rw-r--r--drivers/char/vt.c1
-rw-r--r--drivers/char/vt_ioctl.c8
2 files changed, 5 insertions, 4 deletions
diff --git a/drivers/char/vt.c b/drivers/char/vt.c
index fb75da940b59..303956d34569 100644
--- a/drivers/char/vt.c
+++ b/drivers/char/vt.c
@@ -903,6 +903,7 @@ void vc_deallocate(unsigned int currcons)
if (vc_cons_allocated(currcons)) {
struct vc_data *vc = vc_cons[currcons].d;
vc->vc_sw->con_deinit(vc);
+ put_pid(vc->vt_pid);
module_put(vc->vc_sw->owner);
if (vc->vc_kmalloced)
kfree(vc->vc_screenbuf);
diff --git a/drivers/char/vt_ioctl.c b/drivers/char/vt_ioctl.c
index dc408af165ab..ac5d60edbafa 100644
--- a/drivers/char/vt_ioctl.c
+++ b/drivers/char/vt_ioctl.c
@@ -672,7 +672,7 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
vc->vt_mode = tmp;
/* the frsig is ignored, so we set it to 0 */
vc->vt_mode.frsig = 0;
- vc->vt_pid = current->pid;
+ put_pid(xchg(&vc->vt_pid, get_pid(task_pid(current))));
/* no switch is required -- saw@shade.msu.ru */
vc->vt_newvt = -1;
release_console_sem();
@@ -1063,7 +1063,7 @@ void reset_vc(struct vc_data *vc)
vc->vt_mode.relsig = 0;
vc->vt_mode.acqsig = 0;
vc->vt_mode.frsig = 0;
- vc->vt_pid = -1;
+ put_pid(xchg(&vc->vt_pid, NULL));
vc->vt_newvt = -1;
if (!in_interrupt()) /* Via keyboard.c:SAK() - akpm */
reset_palette(vc);
@@ -1114,7 +1114,7 @@ static void complete_change_console(struct vc_data *vc)
* tell us if the process has gone or something else
* is awry
*/
- if (kill_proc(vc->vt_pid, vc->vt_mode.acqsig, 1) != 0) {
+ if (kill_pid(vc->vt_pid, vc->vt_mode.acqsig, 1) != 0) {
/*
* The controlling process has died, so we revert back to
* normal operation. In this case, we'll also change back
@@ -1174,7 +1174,7 @@ void change_console(struct vc_data *new_vc)
* tell us if the process has gone or something else
* is awry
*/
- if (kill_proc(vc->vt_pid, vc->vt_mode.relsig, 1) == 0) {
+ if (kill_pid(vc->vt_pid, vc->vt_mode.relsig, 1) == 0) {
/*
* It worked. Mark the vt to switch to and
* return. The process needs to send us a