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* [PATCH] gpu: drm/nouveau/nouveau_fence.c: remove unnecessary null pointer check
@ 2013-01-15  0:38 Cong Ding
  2013-01-15 10:39 ` David Howells
  0 siblings, 1 reply; 5+ messages in thread
From: Cong Ding @ 2013-01-15  0:38 UTC (permalink / raw)
  To: David Airlie, Ben Skeggs, Dave Airlie, Paul E. McKenney,
	David Howells, Thomas Gleixner, dri-devel, linux-kernel
  Cc: Cong Ding

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@gmail.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

^ permalink raw reply related	[flat|nested] 5+ messages in thread

* Re: [PATCH] gpu: drm/nouveau/nouveau_fence.c: remove unnecessary null pointer check
  2013-01-15  0:38 [PATCH] gpu: drm/nouveau/nouveau_fence.c: remove unnecessary null pointer check Cong Ding
@ 2013-01-15 10:39 ` David Howells
  2013-01-15 11:14   ` Cong Ding
  2013-01-15 17:00   ` David Howells
  0 siblings, 2 replies; 5+ messages in thread
From: David Howells @ 2013-01-15 10:39 UTC (permalink / raw)
  To: Cong Ding
  Cc: dhowells, David Airlie, Ben Skeggs, Dave Airlie, Paul E. McKenney,
	Thomas Gleixner, dri-devel, linux-kernel

Cong Ding <dinggnu@gmail.com> wrote:

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

Did you mean "The variable 'chan'"?

David

^ permalink raw reply	[flat|nested] 5+ messages in thread

* Re: [PATCH] gpu: drm/nouveau/nouveau_fence.c: remove unnecessary null pointer check
  2013-01-15 10:39 ` David Howells
@ 2013-01-15 11:14   ` Cong Ding
  2013-01-15 17:00   ` David Howells
  1 sibling, 0 replies; 5+ messages in thread
From: Cong Ding @ 2013-01-15 11:14 UTC (permalink / raw)
  To: David Howells
  Cc: David Airlie, Ben Skeggs, Dave Airlie, Paul E. McKenney,
	Thomas Gleixner, dri-devel, linux-kernel

On Tue, Jan 15, 2013 at 10:39:23AM +0000, David Howells wrote:
> Cong Ding <dinggnu@gmail.com> wrote:
> 
> > the variable sender is dereferenced in line 190, so it is no reason to check
> > null again in line 198.
> 
> Did you mean "The variable 'chan'"?
sorry, my fault. so should I send a new version to correct the typo?
- cong

^ permalink raw reply	[flat|nested] 5+ messages in thread

* Re: [PATCH] gpu: drm/nouveau/nouveau_fence.c: remove unnecessary null pointer check
  2013-01-15 10:39 ` David Howells
  2013-01-15 11:14   ` Cong Ding
@ 2013-01-15 17:00   ` David Howells
  2013-01-15 17:19     ` [PATCH v2] " Cong Ding
  1 sibling, 1 reply; 5+ messages in thread
From: David Howells @ 2013-01-15 17:00 UTC (permalink / raw)
  To: Cong Ding
  Cc: dhowells, David Airlie, Ben Skeggs, Dave Airlie, Paul E. McKenney,
	Thomas Gleixner, dri-devel, linux-kernel

Cong Ding <dinggnu@gmail.com> wrote:

> > > the variable sender is dereferenced in line 190, so it is no reason to check
> > > null again in line 198.
> > 
> > Did you mean "The variable 'chan'"?
> sorry, my fault. so should I send a new version to correct the typo?

Yep.

David

^ permalink raw reply	[flat|nested] 5+ messages in thread

* [PATCH v2] gpu: drm/nouveau/nouveau_fence.c: remove unnecessary null pointer check
  2013-01-15 17:00   ` David Howells
@ 2013-01-15 17:19     ` Cong Ding
  0 siblings, 0 replies; 5+ messages in thread
From: Cong Ding @ 2013-01-15 17:19 UTC (permalink / raw)
  To: David Howells
  Cc: David Airlie, Ben Skeggs, Dave Airlie, Paul E. McKenney,
	Thomas Gleixner, dri-devel, linux-kernel

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

Signed-off-by: Cong Ding <dinggnu@gmail.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

^ permalink raw reply related	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2013-01-15 17:19 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2013-01-15  0:38 [PATCH] gpu: drm/nouveau/nouveau_fence.c: remove unnecessary null pointer check Cong Ding
2013-01-15 10:39 ` David Howells
2013-01-15 11:14   ` Cong Ding
2013-01-15 17:00   ` David Howells
2013-01-15 17:19     ` [PATCH v2] " Cong Ding

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