diff --git a/[refs] b/[refs]
index 13a734b50de7..020de089ed32 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 804a685162a7080386714166776f57255a75238e
+refs/heads/master: 5ef6476190d24419a9a537baa0b5641845136989
diff --git a/trunk/include/linux/pid.h b/trunk/include/linux/pid.h
index d7e98ff8021e..bb206c56d1f0 100644
--- a/trunk/include/linux/pid.h
+++ b/trunk/include/linux/pid.h
@@ -147,9 +147,9 @@ pid_t pid_vnr(struct pid *pid);
 #define do_each_pid_task(pid, type, task)				\
 	do {								\
 		struct hlist_node *pos___;				\
-		if (pid != NULL)					\
+		if ((pid) != NULL)					\
 			hlist_for_each_entry_rcu((task), pos___,	\
-				&pid->tasks[type], pids[type].node) {
+				&(pid)->tasks[type], pids[type].node) {
 
 			/*
 			 * Both old and new leaders may be attached to