linux-kernel - [PATCH 3/3] media: xilinx: fix error return code in xvip_graph

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Message-ID: <20201128102002.95402-1-miaoqinglang@huawei.com>
Date:   Sat, 28 Nov 2020 18:20:02 +0800
From:   Qinglang Miao <miaoqinglang@...wei.com>
To:     Hyun Kwon <hyun.kwon@...inx.com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Michal Simek <michal.simek@...inx.com>
CC:     <linux-media@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        Qinglang Miao <miaoqinglang@...wei.com>
Subject: [PATCH 3/3] media: xilinx: fix error return code in xvip_graph_init

Fix to return a negative error code(-ENODEV) from the error
handling case instead of 0, as done elsewhere in this function.

Fixes: df3305156f98 ("[media] v4l: xilinx: Add Xilinx Video IP core")
Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Qinglang Miao <miaoqinglang@...wei.com>
---
 drivers/media/platform/xilinx/xilinx-vipp.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/media/platform/xilinx/xilinx-vipp.c b/drivers/media/platform/xilinx/xilinx-vipp.c
index cc2856efe..9cab2f77f 100644
--- a/drivers/media/platform/xilinx/xilinx-vipp.c
+++ b/drivers/media/platform/xilinx/xilinx-vipp.c
@@ -525,6 +525,7 @@ static int xvip_graph_init(struct xvip_composite_device *xdev)
 
 	if (list_empty(&xdev->notifier.asd_list)) {
 		dev_err(xdev->dev, "no subdev found in graph\n");
+		ret = -ENODEV;
 		goto done;
 	}
 
-- 
2.23.0