linux-kernel - [PATCH] drm/i915/error: use rb

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Message-Id: <b08fd4be9d4c45d88c158a17b854c3fd628840ed.1484816339.git.geliangtang@gmail.com>
Date:   Fri, 20 Jan 2017 22:36:55 +0800
From:   Geliang Tang <geliangtang@...il.com>
To:     Daniel Vetter <daniel.vetter@...el.com>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        David Airlie <airlied@...ux.ie>
Cc:     Geliang Tang <geliangtang@...il.com>,
        intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] drm/i915/error: use rb_entry()

To make the code clearer, use rb_entry() instead of container_of() to
deal with rbtree.

Signed-off-by: Geliang Tang <geliangtang@...il.com>
---
 drivers/gpu/drm/i915/i915_gpu_error.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c
index 9cd22cd..e537532 100644
--- a/drivers/gpu/drm/i915/i915_gpu_error.c
+++ b/drivers/gpu/drm/i915/i915_gpu_error.c
@@ -1080,7 +1080,7 @@ static void error_record_engine_waiters(struct intel_engine_cs *engine,
 
 	ee->waiters = waiter;
 	for (rb = rb_first(&b->waiters); rb; rb = rb_next(rb)) {
-		struct intel_wait *w = container_of(rb, typeof(*w), node);
+		struct intel_wait *w = rb_entry(rb, typeof(*w), node);
 
 		strcpy(waiter->comm, w->tsk->comm);
 		waiter->pid = w->tsk->pid;
-- 
2.9.3