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authorIshan Mittal <imittal@nvidia.com>2014-06-05 13:31:21 +0530
committerIshan Mittal <imittal@nvidia.com>2014-06-05 13:37:37 +0530
commitdce68ca8e1015cf5bcd33284c0c1c9191e79885d (patch)
tree7fed5c66956b9ffeadac67750aa042fc9b70f1a1 /kernel/exit.c
parent60ca8709496cbcfe7dc931a2ec8786f82b2761eb (diff)
parentbe67db109090b17b56eb8eb2190cd70700f107aa (diff)
Merge branch 'linux-3.10.40' into rel-21
Bug 200004122 Conflicts: drivers/cpufreq/cpufreq.c drivers/regulator/core.c sound/soc/codecs/max98090.c Change-Id: I9418a05ad5c56b2e902249218bac2fa594d99f56 Signed-off-by: Ishan Mittal <imittal@nvidia.com>
Diffstat (limited to 'kernel/exit.c')
-rw-r--r--kernel/exit.c21
1 files changed, 13 insertions, 8 deletions
diff --git a/kernel/exit.c b/kernel/exit.c
index 6a057750ebbb..89cca291f863 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -570,9 +570,6 @@ static void reparent_leader(struct task_struct *father, struct task_struct *p,
struct list_head *dead)
{
list_move_tail(&p->sibling, &p->real_parent->children);
-
- if (p->exit_state == EXIT_DEAD)
- return;
/*
* If this is a threaded reparent there is no need to
* notify anyone anything has happened.
@@ -580,9 +577,19 @@ static void reparent_leader(struct task_struct *father, struct task_struct *p,
if (same_thread_group(p->real_parent, father))
return;
- /* We don't want people slaying init. */
+ /*
+ * We don't want people slaying init.
+ *
+ * Note: we do this even if it is EXIT_DEAD, wait_task_zombie()
+ * can change ->exit_state to EXIT_ZOMBIE. If this is the final
+ * state, do_notify_parent() was already called and ->exit_signal
+ * doesn't matter.
+ */
p->exit_signal = SIGCHLD;
+ if (p->exit_state == EXIT_DEAD)
+ return;
+
/* If it has exited notify the new parent about this child's death. */
if (!p->ptrace &&
p->exit_state == EXIT_ZOMBIE && thread_group_empty(p)) {
@@ -794,6 +801,8 @@ void do_exit(long code)
exit_shm(tsk);
exit_files(tsk);
exit_fs(tsk);
+ if (group_dead)
+ disassociate_ctty(1);
exit_task_namespaces(tsk);
exit_task_work(tsk);
check_stack_usage();
@@ -809,13 +818,9 @@ void do_exit(long code)
cgroup_exit(tsk, 1);
- if (group_dead)
- disassociate_ctty(1);
-
module_put(task_thread_info(tsk)->exec_domain->module);
proc_exit_connector(tsk);
-
/*
* FIXME: do that only when needed, using sched_exit tracepoint
*/