media: i2c: tda1997x: Call of_node_put(ep) only once in tda1997x_parse_dt()

Commit Message

Markus Elfring Oct. 3, 2024, 7:46 p.m. UTC

From: Markus Elfring <[e-mail]>
Date: Thu, 3 Oct 2024 21:38:45 +0200

An of_node_put(ep) call was immediately used after a return value check
for a v4l2_fwnode_endpoint_parse() call in this function implementation.
Thus call such a function only once instead directly before the check.

This issue was transformed by using the Coccinelle software.

Signed-off-by: Markus Elfring <[e-mail]>
---
 drivers/media/i2c/tda1997x.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

--
2.46.1

Patch

diff --git a/drivers/media/i2c/tda1997x.c b/drivers/media/i2c/tda1997x.c
index 3b7e5ff5b010..959590afc80f 100644
--- a/drivers/media/i2c/tda1997x.c
+++ b/drivers/media/i2c/tda1997x.c
@@ -2315,11 +2315,10 @@  static int tda1997x_parse_dt(struct tda1997x_state *state)
 		return -EINVAL;

 	ret = v4l2_fwnode_endpoint_parse(of_fwnode_handle(ep), &bus_cfg);
-	if (ret) {
-		of_node_put(ep);
-		return ret;
-	}
 	of_node_put(ep);
+	if (ret)
+		return ret;
+
 	pdata->vidout_bus_type = bus_cfg.bus_type;

 	/* polarity of HS/VS/DE */