summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/msm/msm_drv.c
diff options
context:
space:
mode:
authorAkhil P Oommen <quic_akhilpo@quicinc.com>2022-12-21 20:39:57 +0530
committerRob Clark <robdclark@chromium.org>2023-01-16 10:35:51 -0800
commit8636500300a01740d92b345c680b036b94555b1b (patch)
treee4aff2441541ea483cee4d6f933666ce2882823f /drivers/gpu/drm/msm/msm_drv.c
parentdbeedbcb268d055d8895aceca427f897e12c2b50 (diff)
drm/msm: Fix failure paths in msm_drm_init()
Ensure that we do drm_dev_put() when there is an early return in msm_drm_init(). Signed-off-by: Akhil P Oommen <quic_akhilpo@quicinc.com> Patchwork: https://patchwork.freedesktop.org/patch/515606/ Link: https://lore.kernel.org/r/20221221203925.v2.2.I49dfc3654040be61702e491f1aa63d3a5f308852@changeid Signed-off-by: Rob Clark <robdclark@chromium.org>
Diffstat (limited to 'drivers/gpu/drm/msm/msm_drv.c')
-rw-r--r--drivers/gpu/drm/msm/msm_drv.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c
index c86af9ccb7f4..ff3a1ff423fc 100644
--- a/drivers/gpu/drm/msm/msm_drv.c
+++ b/drivers/gpu/drm/msm/msm_drv.c
@@ -150,6 +150,9 @@ static void msm_irq_uninstall(struct drm_device *dev)
struct msm_drm_private *priv = dev->dev_private;
struct msm_kms *kms = priv->kms;
+ if (!priv->kms)
+ return;
+
kms->funcs->irq_uninstall(kms);
if (kms->irq_requested)
free_irq(kms->irq, dev);
@@ -267,8 +270,6 @@ static int msm_drm_uninit(struct device *dev)
component_unbind_all(dev, ddev);
ddev->dev_private = NULL;
- drm_dev_put(ddev);
-
destroy_workqueue(priv->wq);
return 0;
@@ -441,12 +442,12 @@ static int msm_drm_init(struct device *dev, const struct drm_driver *drv)
ret = msm_init_vram(ddev);
if (ret)
- return ret;
+ goto err_drm_dev_put;
/* Bind all our sub-components: */
ret = component_bind_all(dev, ddev);
if (ret)
- return ret;
+ goto err_drm_dev_put;
dma_set_max_seg_size(dev, UINT_MAX);
@@ -541,6 +542,8 @@ static int msm_drm_init(struct device *dev, const struct drm_driver *drv)
err_msm_uninit:
msm_drm_uninit(dev);
+err_drm_dev_put:
+ drm_dev_put(ddev);
return ret;
}