ARM64: DTS: Add rk3399-firefly uart4 device, node as /dev/ttyS1

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

diff --git a/kernel/fork.c b/kernel/fork.c
index 2e55b53399dec75deabd29305707ee2f6154b4ac..c85efa77e82528c4ea55aae0e3ccff1836c1fab8 100644 (file)
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -826,7 +826,8 @@ 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);
        }