[PATCH v2] media: exynos4-is: add missing call to of_node_put()

From: Yang Li
Date: Thu Feb 25 2021 - 20:29:28 EST


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@xxxxxxxxxxxxxxxxx>
Signed-off-by: Yang Li <yang.lee@xxxxxxxxxxxxxxxxx>
---

Changes in v2:
-add braces for if

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 8e1e892..a6ee2a3 100644
--- a/drivers/media/platform/exynos4-is/media-dev.c
+++ b/drivers/media/platform/exynos4-is/media-dev.c
@@ -488,8 +488,10 @@ 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)
+ if (ret < 0) {
+ of_node_put(ep);
return ret;
+ }
}

return 0;
--
1.8.3.1