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Groups > linux.kernel > #1426591

[PATCH v3 2/4] vb2: Merge vb2_internal_dqbuf and vb2_dqbuf

From Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Newsgroups linux.kernel
Subject [PATCH v3 2/4] vb2: Merge vb2_internal_dqbuf and vb2_dqbuf
Date 2016-06-20 15:10 +0200
Message-ID <rM77J-d8-41@gated-at.bofh.it> (permalink)
References <rM77I-d8-7@gated-at.bofh.it>
Organization linux.* mail to news gateway

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After all the code refactoring, vb2_internal_dqbuf is only called by
vb2_dqbuf.

Since the function it is very simple, there is no need to have two
functions.

Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
---
 drivers/media/v4l2-core/videobuf2-v4l2.c | 39 ++++++++++++++------------------
 1 file changed, 17 insertions(+), 22 deletions(-)

diff --git a/drivers/media/v4l2-core/videobuf2-v4l2.c b/drivers/media/v4l2-core/videobuf2-v4l2.c
index 6d14df3d615d..7dff2b688a9f 100644
--- a/drivers/media/v4l2-core/videobuf2-v4l2.c
+++ b/drivers/media/v4l2-core/videobuf2-v4l2.c
@@ -621,27 +621,6 @@ int vb2_qbuf(struct vb2_queue *q, struct v4l2_buffer *b)
 }
 EXPORT_SYMBOL_GPL(vb2_qbuf);
 
-static int vb2_internal_dqbuf(struct vb2_queue *q, struct v4l2_buffer *b,
-		bool nonblocking)
-{
-	int ret;
-
-	if (b->type != q->type) {
-		dprintk(1, "invalid buffer type\n");
-		return -EINVAL;
-	}
-
-	ret = vb2_core_dqbuf(q, NULL, b, nonblocking);
-
-	/*
-	 *  After calling the VIDIOC_DQBUF V4L2_BUF_FLAG_DONE must be
-	 *  cleared.
-	 */
-	b->flags &= ~V4L2_BUF_FLAG_DONE;
-
-	return ret;
-}
-
 /**
  * vb2_dqbuf() - Dequeue a buffer to the userspace
  * @q:		videobuf2 queue
@@ -665,11 +644,27 @@ static int vb2_internal_dqbuf(struct vb2_queue *q, struct v4l2_buffer *b,
  */
 int vb2_dqbuf(struct vb2_queue *q, struct v4l2_buffer *b, bool nonblocking)
 {
+	int ret;
+
 	if (vb2_fileio_is_active(q)) {
 		dprintk(1, "file io in progress\n");
 		return -EBUSY;
 	}
-	return vb2_internal_dqbuf(q, b, nonblocking);
+
+	if (b->type != q->type) {
+		dprintk(1, "invalid buffer type\n");
+		return -EINVAL;
+	}
+
+	ret = vb2_core_dqbuf(q, NULL, b, nonblocking);
+
+	/*
+	 *  After calling the VIDIOC_DQBUF V4L2_BUF_FLAG_DONE must be
+	 *  cleared.
+	 */
+	b->flags &= ~V4L2_BUF_FLAG_DONE;
+
+	return ret;
 }
 EXPORT_SYMBOL_GPL(vb2_dqbuf);
 
-- 
2.8.1

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Thread

[PATCH v3 1/4] vb2: V4L2_BUF_FLAG_DONE is set after DQBUF Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com> - 2016-06-20 15:10 +0200
  [PATCH v3 4/4] vb2: Fix comment Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com> - 2016-06-20 15:10 +0200
  [PATCH v3 3/4] vb2: Merge vb2_internal_qbuf and vb2_qbuf Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com> - 2016-06-20 15:10 +0200
  [PATCH v3 2/4] vb2: Merge vb2_internal_dqbuf and vb2_dqbuf Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com> - 2016-06-20 15:10 +0200
    Re: [PATCH v3 2/4] vb2: Merge vb2_internal_dqbuf and vb2_dqbuf Sakari Ailus <sakari.ailus@iki.fi> - 2016-06-20 17:10 +0200

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