This will be used in next patches. No functionality change.
Signed-off-by: Kirill Tkhai <[email protected]>
---
kernel/exit.c | 13 +++++++++----
1 file changed, 9 insertions(+), 4 deletions(-)
diff --git a/kernel/exit.c b/kernel/exit.c
index a1b2bf7..5e82787 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -322,16 +322,20 @@ void mm_update_next_owner(struct mm_struct *mm)
* Search in the children
*/
list_for_each_entry(c, &p->children, sibling) {
- if (c->mm == mm)
+ if (c->mm == mm) {
+ get_task_struct(c);
goto assign_new_owner;
+ }
}
/*
* Search in the siblings
*/
list_for_each_entry(c, &p->real_parent->children, sibling) {
- if (c->mm == mm)
+ if (c->mm == mm) {
+ get_task_struct(c);
goto assign_new_owner;
+ }
}
/*
@@ -341,8 +345,10 @@ void mm_update_next_owner(struct mm_struct *mm)
if (g->flags & PF_KTHREAD)
continue;
for_each_thread(g, c) {
- if (c->mm == mm)
+ if (c->mm == mm) {
+ get_task_struct(c);
goto assign_new_owner;
+ }
if (c->mm)
break;
}
@@ -358,7 +364,6 @@ void mm_update_next_owner(struct mm_struct *mm)
assign_new_owner:
BUG_ON(c == p);
- get_task_struct(c);
/*
* The task_lock protects c->mm from changing.
* We always want mm->owner->mm == mm