ARM: dtsi: rk3228: add psci support

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

diff --git a/kernel/ptrace.c b/kernel/ptrace.c
index 118323bc852982de01c839b4bcbe32e22fbe4105..30ab20623bcafc6861163f11323df8053b3d38be 100644 (file)
--- a/kernel/ptrace.c
+++ b/kernel/ptrace.c
@@ -236,7 +236,7 @@ static int __ptrace_may_access(struct task_struct *task, unsigned int mode)
         */
        int dumpable = 0;
        /* Don't let security modules deny introspection */
-       if (task == current)
+       if (same_thread_group(task, current))
                return 0;
        rcu_read_lock();
        tcred = __task_cred(task);