ARM64: sched: fix bug: remove printk while schedule is in progress

[firefly-linux-kernel-4.4.55.git] / kernel / fork.c

diff --git a/kernel/fork.c b/kernel/fork.c
index fce002ee3ddffbab7613d0f9ec390683901f3c67..7ec6e9939b2c97c0ee62ec8cfdf05fd74bc4f4e7 100644 (file)
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -380,6 +380,7 @@ static struct task_struct *dup_task_struct(struct task_struct *orig)
 #endif
        tsk->splice_pipe = NULL;
        tsk->task_frag.page = NULL;
+       tsk->wake_q.next = NULL;
 
        account_kernel_stack(ti, 1);
 
@@ -799,7 +800,8 @@ struct mm_struct *mm_access(struct task_struct *task, unsigned int mode)
 
        mm = get_task_mm(task);
        if (mm && mm != current->mm &&
-                       !ptrace_may_access(task, mode)) {
+                       !ptrace_may_access(task, mode) &&
+                       !capable(CAP_SYS_RESOURCE)) {
                mmput(mm);
                mm = ERR_PTR(-EACCES);
        }