[PATCH 05/10] drm/msm: fix drm device leak on bind errors

Johan Hovold
2023-03-06T10:09:32Z

Make sure to free the DRM device also in case of early errors during
bind().

Fixes: 2027e5b3413d ("drm/msm: Initialize MDSS irq domain at probe time")
Cc: stable@vger.kernel.org # 5.17
Cc: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
---
drivers/gpu/drm/msm/msm_drv.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c
index 2f2bcdb671d2..89634159ad75 100644
--- a/drivers/gpu/drm/msm/msm_drv.c
+++ b/drivers/gpu/drm/msm/msm_drv.c
@@ -444,12 +444,12 @@ static int msm_drm_init(struct device *dev, const struct drm_driver *drv)

ret = msm_init_vram(ddev);
if (ret)
- return ret;
+ goto err_put_dev;

/* Bind all our sub-components: */
ret = component_bind_all(dev, ddev);
if (ret)
- return ret;
+ goto err_put_dev;

dma_set_max_seg_size(dev, UINT_MAX);

@@ -544,6 +544,12 @@ static int msm_drm_init(struct device *dev, const struct drm_driver *drv)

err_msm_uninit:
msm_drm_uninit(dev);
+
+ return ret;
+
+err_put_dev:
+ drm_dev_put(ddev);
+
return ret;
}

--
2.39.2