linux-kernel - [PATCH] drm/imx: fix memory leak when fails to init

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Date:   Wed, 20 Jan 2021 01:16:08 -0800
From:   Pan Bian <bianpan2016@....com>
To:     Philipp Zabel <p.zabel@...gutronix.de>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>
Cc:     dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Pan Bian <bianpan2016@....com>
Subject: [PATCH] drm/imx: fix memory leak when fails to init

Put DRM device on initialization failure path rather than directly
return error code.

Fixes: a67d5088ceb8 ("drm/imx: drop explicit drm_mode_config_cleanup")
Signed-off-by: Pan Bian <bianpan2016@....com>
---
 drivers/gpu/drm/imx/imx-drm-core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/imx/imx-drm-core.c b/drivers/gpu/drm/imx/imx-drm-core.c
index d1a9841adeed..e6a88c8cbd69 100644
--- a/drivers/gpu/drm/imx/imx-drm-core.c
+++ b/drivers/gpu/drm/imx/imx-drm-core.c
@@ -215,7 +215,7 @@ static int imx_drm_bind(struct device *dev)
 
 	ret = drmm_mode_config_init(drm);
 	if (ret)
-		return ret;
+		goto err_kms;
 
 	ret = drm_vblank_init(drm, MAX_CRTC);
 	if (ret)
-- 
2.17.1