drm/vc4: drv: Add error handding for bind

[ Upstream commit 9ce0af3e9573fb84c4c807183d13ea2a68271e4b ]

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@samsung.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20201027041442.30352-2-hoegeun.kwon@samsung.com
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/gpu/drm/vc4/vc4_drv.c b/drivers/gpu/drm/vc4/vc4_drv.c
index 5e6fb6c2307f0d59cd51c6841c20ec5beac25c29..0d78ba017a29b9a56cbf8f2c921415d21ef6f5c3 100644 (file)
--- a/drivers/gpu/drm/vc4/vc4_drv.c
+++ b/drivers/gpu/drm/vc4/vc4_drv.c
@@ -309,6 +309,7 @@ unbind_all:
        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);