linux-kernel - [PATCH] gpu: drm/nouveau/nouveau_fence.c: remove unnecessary null pointer check

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Date:	Tue, 15 Jan 2013 01:38:45 +0100
From:	Cong Ding <dinggnu@...il.com>
To:	David Airlie <airlied@...ux.ie>, Ben Skeggs <bskeggs@...hat.com>,
	Dave Airlie <airlied@...hat.com>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	David Howells <dhowells@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Cc:	Cong Ding <dinggnu@...il.com>
Subject: [PATCH] gpu: drm/nouveau/nouveau_fence.c: remove unnecessary null pointer check

the variable sender is dereferenced in line 190, so it is no reason to check
null again in line 198.

Signed-off-by: Cong Ding <dinggnu@...il.com>
---
 drivers/gpu/drm/nouveau/nouveau_fence.c |    8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_fence.c b/drivers/gpu/drm/nouveau/nouveau_fence.c
index 1d049be..b6b8e49 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fence.c
+++ b/drivers/gpu/drm/nouveau/nouveau_fence.c
@@ -195,11 +195,9 @@ nouveau_fence_new(struct nouveau_channel *chan, struct nouveau_fence **pfence)
 		return -ENOMEM;
 	kref_init(&fence->kref);
 
-	if (chan) {
-		ret = nouveau_fence_emit(fence, chan);
-		if (ret)
-			nouveau_fence_unref(&fence);
-	}
+	ret = nouveau_fence_emit(fence, chan);
+	if (ret)
+		nouveau_fence_unref(&fence);
 
 	*pfence = fence;
 	return ret;
-- 
1.7.10.4

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