linux-kernel - [PATCH v1] slimbus: core: Fix mismatch in of_node

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Date:   Thu, 26 Mar 2020 10:34:56 -0700
From:   Saravana Kannan <saravanak@...gle.com>
To:     Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Cc:     Saravana Kannan <saravanak@...gle.com>, kernel-team@...roid.com,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org
Subject: [PATCH v1] slimbus: core: Fix mismatch in of_node_get/put

Also, remove some unnecessary NULL checks. The functions in question
already do NULL checks.

Signed-off-by: Saravana Kannan <saravanak@...gle.com>
---
 drivers/slimbus/core.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/slimbus/core.c b/drivers/slimbus/core.c
index 44228a5b246d..ae1e248a8fb8 100644
--- a/drivers/slimbus/core.c
+++ b/drivers/slimbus/core.c
@@ -162,11 +162,8 @@ static int slim_add_device(struct slim_controller *ctrl,
 	sbdev->ctrl = ctrl;
 	INIT_LIST_HEAD(&sbdev->stream_list);
 	spin_lock_init(&sbdev->stream_list_lock);
-
-	if (node) {
-		sbdev->dev.of_node = of_node_get(node);
-		sbdev->dev.fwnode = of_fwnode_handle(node);
-	}
+	sbdev->dev.of_node = of_node_get(node);
+	sbdev->dev.fwnode = of_fwnode_handle(node);
 
 	dev_set_name(&sbdev->dev, "%x:%x:%x:%x",
 				  sbdev->e_addr.manf_id,
@@ -285,6 +282,7 @@ EXPORT_SYMBOL_GPL(slim_register_controller);
 /* slim_remove_device: Remove the effect of slim_add_device() */
 static void slim_remove_device(struct slim_device *sbdev)
 {
+	of_node_put(sbdev->dev.of_node);
 	device_unregister(&sbdev->dev);
 }
 
-- 
2.25.1.696.g5e7596f4ac-goog