linux-kernel - [PATCH] omapfb: Add missing of_node_put() in dvic_probe

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Date:   Mon,  7 Mar 2022 12:38:12 +0000
From:   Miaoqian Lin <linmq006@...il.com>
To:     Helge Deller <deller@....de>, Miaoqian Lin <linmq006@...il.com>,
        Rob Clark <robdclark@...il.com>,
        Tomi Valkeinen <tomi.valkeinen@...com>,
        Dave Airlie <airlied@...il.com>, linux-omap@...r.kernel.org,
        linux-fbdev@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] omapfb: Add missing of_node_put() in dvic_probe_of

The device_node pointer is returned by of_parse_phandle()  with refcount
incremented. We should use of_node_put() on it when done.

Fixes: f76ee892a99e ("omapfb: copy omapdss & displays for omapfb")
Signed-off-by: Miaoqian Lin <linmq006@...il.com>
---
 drivers/video/fbdev/omap2/omapfb/displays/connector-dvi.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/video/fbdev/omap2/omapfb/displays/connector-dvi.c b/drivers/video/fbdev/omap2/omapfb/displays/connector-dvi.c
index 2fa436475b40..c8ad3ef42bd3 100644
--- a/drivers/video/fbdev/omap2/omapfb/displays/connector-dvi.c
+++ b/drivers/video/fbdev/omap2/omapfb/displays/connector-dvi.c
@@ -246,6 +246,7 @@ static int dvic_probe_of(struct platform_device *pdev)
 	adapter_node = of_parse_phandle(node, "ddc-i2c-bus", 0);
 	if (adapter_node) {
 		adapter = of_get_i2c_adapter_by_node(adapter_node);
+		of_node_put(adapter_node);
 		if (adapter == NULL) {
 			dev_err(&pdev->dev, "failed to parse ddc-i2c-bus\n");
 			omap_dss_put_device(ddata->in);
-- 
2.17.1