linux-kernel - [PATCH 3.16 008/158] media: v4l: vsp1: Remove the unneeded vsp1_video

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Date:	Mon, 15 Sep 2014 12:24:07 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Takanari Hayama <taki@...l.co.jp>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	Mauro Carvalho Chehab <m.chehab@...sung.com>
Subject: [PATCH 3.16 008/158] media: v4l: vsp1: Remove the unneeded vsp1_video_buffer video field

3.16-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: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/media/platform/vsp1/vsp1_video.c |    2 --
 drivers/media/platform/vsp1/vsp1_video.h |    1 -
 2 files changed, 3 deletions(-)

--- a/drivers/media/platform/vsp1/vsp1_video.c
+++ b/drivers/media/platform/vsp1/vsp1_video.c
@@ -654,8 +654,6 @@ static int vsp1_video_buffer_prepare(str
 	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);
--- a/drivers/media/platform/vsp1/vsp1_video.h
+++ b/drivers/media/platform/vsp1/vsp1_video.h
@@ -90,7 +90,6 @@ static inline struct vsp1_pipeline *to_v
 }
 
 struct vsp1_video_buffer {
-	struct vsp1_video *video;
 	struct vb2_buffer buf;
 	struct list_head queue;
 


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