linux-kernel - [PATCH 3.13 051/187] [media] v4l: vsp1: Remove the unneeded vsp1_video

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Date:	Mon, 15 Sep 2014 15:07:41 -0700
From:	Kamal Mostafa <kamal@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	Mauro Carvalho Chehab <m.chehab@...sung.com>,
	Kamal Mostafa <kamal@...onical.com>
Subject: [PATCH 3.13 051/187] [media] v4l: vsp1: Remove the unneeded vsp1_video_buffer video field

3.13.11.7 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Laurent Pinchart <laurent.pinchart@...asonboard.com>

commit e51daefc228aa164adcc17fe8fce0f856ad0a1cc upstream.

The field is assigned but never read, remove it.

This fixes a bug caused by the struct vb2_buffer field not being be the
very first field of the vsp1_video_buffer buffer structure as required
by videobuf2.

Reported-by: Takanari Hayama <taki@...l.co.jp>
Signed-off-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@...sung.com>
Signed-off-by: Kamal Mostafa <kamal@...onical.com>
---
 drivers/media/platform/vsp1/vsp1_video.c | 2 --
 drivers/media/platform/vsp1/vsp1_video.h | 1 -
 2 files changed, 3 deletions(-)

diff --git a/drivers/media/platform/vsp1/vsp1_video.c b/drivers/media/platform/vsp1/vsp1_video.c
index 4b0ac07..daa992c 100644
--- a/drivers/media/platform/vsp1/vsp1_video.c
+++ b/drivers/media/platform/vsp1/vsp1_video.c
@@ -622,8 +622,6 @@ static int vsp1_video_buffer_prepare(struct vb2_buffer *vb)
 	if (vb->num_planes < format->num_planes)
 		return -EINVAL;
 
-	buf->video = video;
-
 	for (i = 0; i < vb->num_planes; ++i) {
 		buf->addr[i] = vb2_dma_contig_plane_dma_addr(vb, i);
 		buf->length[i] = vb2_plane_size(vb, i);
diff --git a/drivers/media/platform/vsp1/vsp1_video.h b/drivers/media/platform/vsp1/vsp1_video.h
index d8612a3..47b7a8a 100644
--- a/drivers/media/platform/vsp1/vsp1_video.h
+++ b/drivers/media/platform/vsp1/vsp1_video.h
@@ -89,7 +89,6 @@ static inline struct vsp1_pipeline *to_vsp1_pipeline(struct media_entity *e)
 }
 
 struct vsp1_video_buffer {
-	struct vsp1_video *video;
 	struct vb2_buffer buf;
 	struct list_head queue;
 
-- 
1.9.1

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