linux-kernel - [PATCH] media: exynos4-is: add missing call to of_node

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Message-Id: <1614243836-54718-1-git-send-email-yang.lee@linux.alibaba.com>
Date:   Thu, 25 Feb 2021 17:03:56 +0800
From:   Yang Li <yang.lee@...ux.alibaba.com>
To:     mchehab@...nel.org
Cc:     s.nawrocki@...sung.com, krzk@...nel.org,
        linux-media@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
        Yang Li <yang.lee@...ux.alibaba.com>
Subject: [PATCH] media: exynos4-is: add missing call to of_node_put()

In one of the error paths of the for_each_child_of_node() loop in
fimc_md_parse_one_endpoint, add missing call to of_node_put().

Fix the following coccicheck warning:
./drivers/media/platform/exynos4-is/media-dev.c:489:1-23: WARNING:
Function "for_each_child_of_node" should have of_node_put() before
return around line 492.

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@...ux.alibaba.com>
---
 drivers/media/platform/exynos4-is/media-dev.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/media/platform/exynos4-is/media-dev.c b/drivers/media/platform/exynos4-is/media-dev.c
index 8e1e892..467bc69 100644
--- a/drivers/media/platform/exynos4-is/media-dev.c
+++ b/drivers/media/platform/exynos4-is/media-dev.c
@@ -489,6 +489,7 @@ static int fimc_md_parse_port_node(struct fimc_md *fmd,
 	for_each_child_of_node(port, ep) {
 		ret = fimc_md_parse_one_endpoint(fmd, ep);
 		if (ret < 0)
+			of_node_put(ep);
 			return ret;
 	}
 
-- 
1.8.3.1