This keeps the wrong process from being notified if the daemon to spawn a new console dies. Signed-off-by: Eric W. Biederman <ebiederm at xmission.com> --- drivers/char/keyboard.c | 9 ++++++--- drivers/char/vt_ioctl.c | 5 +++-- 2 files changed, 9 insertions(+), 5 deletions(-) diff --git a/drivers/char/keyboard.c b/drivers/char/keyboard.c index 3e90aac..9acd142 100644 --- a/drivers/char/keyboard.c +++ b/drivers/char/keyboard.c @@ -108,7 +108,8 @@ const int NR_TYPES = ARRAY_SIZE(max_vals struct kbd_struct kbd_table[MAX_NR_CONSOLES]; static struct kbd_struct *kbd = kbd_table; -int spawnpid, spawnsig; +struct pid *spawnpid; +int spawnsig; /* * Variables exported for vt.c @@ -579,8 +580,10 @@ static void fn_compose(struct vc_data *v static void fn_spawn_con(struct vc_data *vc, struct pt_regs *regs) { if (spawnpid) - if (kill_proc(spawnpid, spawnsig, 1)) - spawnpid = 0; + if (kill_pid(spawnpid, spawnsig, 1)) { + put_pid(spawnpid); + spawnpid = NULL; + } } static void fn_SAK(struct vc_data *vc, struct pt_regs *regs) diff --git a/drivers/char/vt_ioctl.c b/drivers/char/vt_ioctl.c index 28eff1a..d7e0187 100644 --- a/drivers/char/vt_ioctl.c +++ b/drivers/char/vt_ioctl.c @@ -645,12 +645,13 @@ #endif */ case KDSIGACCEPT: { - extern int spawnpid, spawnsig; + struct pid *spawnpid; + extern int spawnsig; if (!perm || !capable(CAP_KILL)) return -EPERM; if (!valid_signal(arg) || arg < 1 || arg == SIGKILL) return -EINVAL; - spawnpid = current->pid; + spawnpid = get_pid(task_pid(current)); spawnsig = arg; return 0; } -- 1.4.2.rc3.g7e18e-dirty