linux-kernel - [RFT 2/2] [media] exynos4-is: Add missing port parent of_node

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Date:	Tue, 26 Jan 2016 09:41:46 +0900
From:	Krzysztof Kozlowski <k.kozlowski@...sung.com>
To:	Kyungmin Park <kyungmin.park@...sung.com>,
	Sylwester Nawrocki <s.nawrocki@...sung.com>,
	Mauro Carvalho Chehab <mchehab@....samsung.com>,
	Kukjin Kim <kgene@...nel.org>,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	linux-media@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:	Javier Martinez Canillas <javier@....samsung.com>
Subject: [RFT 2/2] [media] exynos4-is: Add missing port parent of_node_put on
 error paths

In fimc_md_parse_port_node() remote port parent node is get with
of_graph_get_remote_port_parent() but it is not put on error path.

Fixes: fa91f1056f17 ("[media] exynos4-is: Add support for asynchronous subdevices registration")
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@...sung.com>

---

Not tested on hardware, only built+static checkers.
---
 drivers/media/platform/exynos4-is/media-dev.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/media/platform/exynos4-is/media-dev.c b/drivers/media/platform/exynos4-is/media-dev.c
index de0977479327..d2e564878e06 100644
--- a/drivers/media/platform/exynos4-is/media-dev.c
+++ b/drivers/media/platform/exynos4-is/media-dev.c
@@ -385,8 +385,10 @@ static int fimc_md_parse_port_node(struct fimc_md *fmd,
 	else
 		pd->fimc_bus_type = pd->sensor_bus_type;
 
-	if (WARN_ON(index >= ARRAY_SIZE(fmd->sensor)))
+	if (WARN_ON(index >= ARRAY_SIZE(fmd->sensor))) {
+		of_node_put(rem);
 		return -EINVAL;
+	}
 
 	fmd->sensor[index].asd.match_type = V4L2_ASYNC_MATCH_OF;
 	fmd->sensor[index].asd.match.of.node = rem;
-- 
1.9.1