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Subject[PATCH 3.18 20/36] drm/vmwgfx: Free hash table allocated by cmdbuf managed res mgr
3.18-stable review patch.  If anyone has any objections, please let me know.


From: Deepak Rawat <>

commit 82fcee526ba8ca2c5d378bdf51b21b7eb058fe3a upstream.

The hash table created during vmw_cmdbuf_res_man_create was
never freed. This causes memory leak in context creation.
Added the corresponding drm_ht_remove in vmw_cmdbuf_res_man_destroy.

Tested for memory leak by running piglit overnight and kernel
memory is not inflated which earlier was.

Signed-off-by: Deepak Rawat <>
Reviewed-by: Sinclair Yeh <>
Signed-off-by: Thomas Hellstrom <>
Signed-off-by: Greg Kroah-Hartman <>

drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c | 1 +
1 file changed, 1 insertion(+)

--- a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c
@@ -317,6 +317,7 @@ void vmw_cmdbuf_res_man_destroy(struct v
list_for_each_entry_safe(entry, next, &man->list, head)
vmw_cmdbuf_res_free(man, entry);

+ drm_ht_remove(&man->resources);

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