linux-kernel - [PATCH 4.2 071/134] [media] v4l: xilinx: missing error code

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Message-Id: <20150926205316.091309770@linuxfoundation.org>
Date:	Sat, 26 Sep 2015 13:55:23 -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, Dan Carpenter <dan.carpenter@...cle.com>,
	Hyun Kwon <hyun.kwon@...inx.com>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	Mauro Carvalho Chehab <mchehab@....samsung.com>
Subject: [PATCH 4.2 071/134] [media] v4l: xilinx: missing error code

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

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

From: Dan Carpenter <dan.carpenter@...cle.com>

commit e31f8f00bfc081ec1881d92a2dd192aeddf1d9d7 upstream.

We should set "ret" on this error path instead of returning success.

Fixes: df3305156f98 ('[media] v4l: xilinx: Add Xilinx Video IP core')

Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>
Acked-by: Hyun Kwon <hyun.kwon@...inx.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@....samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/media/platform/xilinx/xilinx-dma.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/drivers/media/platform/xilinx/xilinx-dma.c
+++ b/drivers/media/platform/xilinx/xilinx-dma.c
@@ -699,8 +699,10 @@ int xvip_dma_init(struct xvip_composite_
 
 	/* ... and the buffers queue... */
 	dma->alloc_ctx = vb2_dma_contig_init_ctx(dma->xdev->dev);
-	if (IS_ERR(dma->alloc_ctx))
+	if (IS_ERR(dma->alloc_ctx)) {
+		ret = PTR_ERR(dma->alloc_ctx);
 		goto error;
+	}
 
 	/* Don't enable VB2_READ and VB2_WRITE, as using the read() and write()
 	 * V4L2 APIs would be inefficient. Testing on the command line with a


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