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Subject[PATCH 05/14] drm: don't use idr_remove_all()
Date
idr_destroy() can destroy idr by itself and idr_remove_all() is being
deprecated. Drop its usage.

* drm_ctxbitmap_cleanup() was calling idr_remove_all() but forgetting
idr_destroy() thus leaking all buffered free idr_layers. Replace it
with idr_destroy().

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: David Airlie <airlied@linux.ie>
Cc: dri-devel@lists.freedesktop.org
Cc: Inki Dae <inki.dae@samsung.com>
Cc: Joonyoung Shim <jy0922.shim@samsung.com>
Cc: Seung-Woo Kim <sw0312.kim@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
---
This patch depends on an earlier idr patch and given the trivial
nature of the patch, I think it would be best to route these together
through -mm. Please holler if there's any objection.

Thanks.

drivers/gpu/drm/drm_context.c | 2 +-
drivers/gpu/drm/drm_crtc.c | 1 -
drivers/gpu/drm/drm_drv.c | 1 -
drivers/gpu/drm/drm_gem.c | 2 --
drivers/gpu/drm/exynos/exynos_drm_ipp.c | 4 ----
drivers/gpu/drm/sis/sis_drv.c | 1 -
drivers/gpu/drm/via/via_map.c | 1 -
7 files changed, 1 insertion(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/drm_context.c b/drivers/gpu/drm/drm_context.c
index 45adf97..75f62c5 100644
--- a/drivers/gpu/drm/drm_context.c
+++ b/drivers/gpu/drm/drm_context.c
@@ -118,7 +118,7 @@ int drm_ctxbitmap_init(struct drm_device * dev)
void drm_ctxbitmap_cleanup(struct drm_device * dev)
{
mutex_lock(&dev->struct_mutex);
- idr_remove_all(&dev->ctx_idr);
+ idr_destroy(&dev->ctx_idr);
mutex_unlock(&dev->struct_mutex);
}

diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index f2d667b..9b39d1f 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -1102,7 +1102,6 @@ void drm_mode_config_cleanup(struct drm_device *dev)
crtc->funcs->destroy(crtc);
}

- idr_remove_all(&dev->mode_config.crtc_idr);
idr_destroy(&dev->mode_config.crtc_idr);
}
EXPORT_SYMBOL(drm_mode_config_cleanup);
diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
index be174ca..25f91cd 100644
--- a/drivers/gpu/drm/drm_drv.c
+++ b/drivers/gpu/drm/drm_drv.c
@@ -297,7 +297,6 @@ static void __exit drm_core_exit(void)

unregister_chrdev(DRM_MAJOR, "drm");

- idr_remove_all(&drm_minors_idr);
idr_destroy(&drm_minors_idr);
}

diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
index 24efae4..e775859 100644
--- a/drivers/gpu/drm/drm_gem.c
+++ b/drivers/gpu/drm/drm_gem.c
@@ -561,8 +561,6 @@ drm_gem_release(struct drm_device *dev, struct drm_file *file_private)
{
idr_for_each(&file_private->object_idr,
&drm_gem_object_release_handle, file_private);
-
- idr_remove_all(&file_private->object_idr);
idr_destroy(&file_private->object_idr);
}

diff --git a/drivers/gpu/drm/exynos/exynos_drm_ipp.c b/drivers/gpu/drm/exynos/exynos_drm_ipp.c
index 0bda964..49278f0 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_ipp.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_ipp.c
@@ -1786,8 +1786,6 @@ err_iommu:
drm_iommu_detach_device(drm_dev, ippdrv->dev);

err_idr:
- idr_remove_all(&ctx->ipp_idr);
- idr_remove_all(&ctx->prop_idr);
idr_destroy(&ctx->ipp_idr);
idr_destroy(&ctx->prop_idr);
return ret;
@@ -1965,8 +1963,6 @@ static int ipp_remove(struct platform_device *pdev)
exynos_drm_subdrv_unregister(&ctx->subdrv);

/* remove,destroy ipp idr */
- idr_remove_all(&ctx->ipp_idr);
- idr_remove_all(&ctx->prop_idr);
idr_destroy(&ctx->ipp_idr);
idr_destroy(&ctx->prop_idr);

diff --git a/drivers/gpu/drm/sis/sis_drv.c b/drivers/gpu/drm/sis/sis_drv.c
index 841065b..5a5325e 100644
--- a/drivers/gpu/drm/sis/sis_drv.c
+++ b/drivers/gpu/drm/sis/sis_drv.c
@@ -58,7 +58,6 @@ static int sis_driver_unload(struct drm_device *dev)
{
drm_sis_private_t *dev_priv = dev->dev_private;

- idr_remove_all(&dev_priv->object_idr);
idr_destroy(&dev_priv->object_idr);

kfree(dev_priv);
diff --git a/drivers/gpu/drm/via/via_map.c b/drivers/gpu/drm/via/via_map.c
index c0f1cc7..d0ab3fb 100644
--- a/drivers/gpu/drm/via/via_map.c
+++ b/drivers/gpu/drm/via/via_map.c
@@ -120,7 +120,6 @@ int via_driver_unload(struct drm_device *dev)
{
drm_via_private_t *dev_priv = dev->dev_private;

- idr_remove_all(&dev_priv->object_idr);
idr_destroy(&dev_priv->object_idr);

kfree(dev_priv);
--
1.8.1


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