diff --git a/[refs] b/[refs]
index 33611a5ad71d..e57293769c13 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 087806b1281563e4ae7a5bce3155f894af5f4118
+refs/heads/master: 0347e17739095c58c0194fed6a61aced3536d258
diff --git a/trunk/include/linux/ptrace.h b/trunk/include/linux/ptrace.h
index bb157bdd0c55..eae381d584f9 100644
--- a/trunk/include/linux/ptrace.h
+++ b/trunk/include/linux/ptrace.h
@@ -136,7 +136,7 @@ extern bool ptrace_may_access(struct task_struct *task, unsigned int mode);
 
 static inline int ptrace_reparented(struct task_struct *child)
 {
-	return child->real_parent != child->parent;
+	return !same_thread_group(child->real_parent, child->parent);
 }
 
 static inline void ptrace_unlink(struct task_struct *child)