drm/amd/display: turn off cursor when disconnect plane

[linux.git] / kernel / pid.c

diff --git a/kernel/pid.c b/kernel/pid.c
index 1e8bb6550ec4bf61c367806dc31010e8a25f47b9..ed6c343fe50dff7b546e43fd89102f43b898417e 100644 (file)
--- a/kernel/pid.c
+++ b/kernel/pid.c
@@ -41,7 +41,19 @@
 #include <linux/sched/task.h>
 #include <linux/idr.h>
 
-struct pid init_struct_pid = INIT_STRUCT_PID;
+struct pid init_struct_pid = {
+       .count          = ATOMIC_INIT(1),
+       .tasks          = {
+               { .first = NULL },
+               { .first = NULL },
+               { .first = NULL },
+       },
+       .level          = 0,
+       .numbers        = { {
+               .nr             = 0,
+               .ns             = &init_pid_ns,
+       }, }
+};
 
 int pid_max = PID_MAX_DEFAULT;
 
@@ -331,6 +343,19 @@ struct task_struct *find_task_by_vpid(pid_t vnr)
        return find_task_by_pid_ns(vnr, task_active_pid_ns(current));
 }
 
+struct task_struct *find_get_task_by_vpid(pid_t nr)
+{
+       struct task_struct *task;
+
+       rcu_read_lock();
+       task = find_task_by_vpid(nr);
+       if (task)
+               get_task_struct(task);
+       rcu_read_unlock();
+
+       return task;
+}
+
 struct pid *get_task_pid(struct task_struct *task, enum pid_type type)
 {
        struct pid *pid;