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From: cgel.zte@gmail.com
To: s.hauer@pengutronix.de, kernel@pengutronix.de
Cc: deller@gmx.de, shawnguo@kernel.org, festevam@gmail.com,
	linux-imx@nxp.com, linux-fbdev@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
	Lv Ruyi <lv.ruyi@zte.com.cn>, Zeal Robot <zealci@zte.com.cn>
Subject: [PATCH] video: fbdev:  Fix missing of_node_put in imxfb_probe
Date: Thu,  7 Apr 2022 09:01:22 +0000	[thread overview]
Message-ID: <20220407090122.2491922-1-lv.ruyi@zte.com.cn> (raw)

From: Lv Ruyi <lv.ruyi@zte.com.cn>

of_parse_phandle returns node pointer with refcount incremented,
use of_node_put() on it when done.

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Lv Ruyi <lv.ruyi@zte.com.cn>
---
 drivers/video/fbdev/imxfb.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/video/fbdev/imxfb.c b/drivers/video/fbdev/imxfb.c
index 68288756ffff..a2f644c97f28 100644
--- a/drivers/video/fbdev/imxfb.c
+++ b/drivers/video/fbdev/imxfb.c
@@ -925,10 +925,12 @@ static int imxfb_probe(struct platform_device *pdev)
 				sizeof(struct imx_fb_videomode), GFP_KERNEL);
 		if (!fbi->mode) {
 			ret = -ENOMEM;
+			of_node_put(display_np);
 			goto failed_of_parse;
 		}
 
 		ret = imxfb_of_read_mode(&pdev->dev, display_np, fbi->mode);
+		of_node_put(display_np);
 		if (ret)
 			goto failed_of_parse;
 	}
-- 
2.25.1


             reply	other threads:[~2022-04-07  9:01 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-07  9:01 cgel.zte [this message]
2022-04-07 19:41 ` [PATCH] video: fbdev: Fix missing of_node_put in imxfb_probe Helge Deller

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