linux-kernel - [PATCH 03/12] cgroup: use for_each

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Date:   Mon,  9 Jul 2018 10:36:41 +0200
From:   Daniel Vetter <daniel.vetter@...ll.ch>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     DRI Development <dri-devel@...ts.freedesktop.org>,
        Intel Graphics Development <intel-gfx@...ts.freedesktop.org>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        Daniel Vetter <daniel.vetter@...el.com>,
        Tejun Heo <tj@...nel.org>, Li Zefan <lizefan@...wei.com>,
        Johannes Weiner <hannes@...xchg.org>, cgroups@...r.kernel.org
Subject: [PATCH 03/12] cgroup: use for_each_if

Avoids the need to invert the condition instead of the open-coded
version.

Signed-off-by: Daniel Vetter <daniel.vetter@...el.com>
Cc: Tejun Heo <tj@...nel.org>
Cc: Li Zefan <lizefan@...wei.com>
Cc: Johannes Weiner <hannes@...xchg.org>
Cc: cgroups@...r.kernel.org
---
 include/linux/cgroup.h | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index c9fdf6f57913..666c6200d61d 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -287,9 +287,7 @@ void css_task_iter_end(struct css_task_iter *it);
 	for ((leader) = cgroup_taskset_first((tset), &(dst_css));	\
 	     (leader);							\
 	     (leader) = cgroup_taskset_next((tset), &(dst_css)))	\
-		if ((leader) != (leader)->group_leader)			\
-			;						\
-		else
+		for_each_if ((leader) == (leader)->group_leader)
 
 /*
  * Inline functions.
-- 
2.18.0