linux-kernel - [PATCH 1/1] drm/vc4: drv: Add error handding for bind

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Message-Id: <20201027041442.30352-2-hoegeun.kwon@samsung.com>
Date:   Tue, 27 Oct 2020 13:14:42 +0900
From:   Hoegeun Kwon <hoegeun.kwon@...sung.com>
To:     maxime@...no.tech, eric@...olt.net, airlied@...ux.ie,
        daniel@...ll.ch, robh+dt@...nel.org
Cc:     linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-rpi-kernel@...ts.infradead.org,
        bcm-kernel-feedback-list@...adcom.com,
        dave.stevenson@...pberrypi.com, sungguk.na@...sung.com,
        hoegeun.kwon@...sung.com
Subject: [PATCH 1/1] drm/vc4: drv: Add error handding for bind

There is a problem that if vc4_drm bind fails, a memory leak occurs on
the drm_property_create side. Add error handding for drm_mode_config.

Signed-off-by: Hoegeun Kwon <hoegeun.kwon@...sung.com>
---
 drivers/gpu/drm/vc4/vc4_drv.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/vc4/vc4_drv.c b/drivers/gpu/drm/vc4/vc4_drv.c
index f1a5fd5dab6f..a17aa1db11b6 100644
--- a/drivers/gpu/drm/vc4/vc4_drv.c
+++ b/drivers/gpu/drm/vc4/vc4_drv.c
@@ -314,6 +314,7 @@ static int vc4_drm_bind(struct device *dev)
 	component_unbind_all(dev, drm);
 gem_destroy:
 	vc4_gem_destroy(drm);
+	drm_mode_config_cleanup(drm);
 	vc4_bo_cache_destroy(drm);
 dev_put:
 	drm_dev_put(drm);
-- 
2.17.1