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View File 0110-drm-vmwgfx-Free-hash-table-allocated-by-cmdbuf-manag.patch of Package drm (Project home:tiwai:bnc1050256)

From 466877f2d25758e5ad007b292c1f225520f8c877 Mon Sep 17 00:00:00 2001
From: Deepak Rawat <drawat@vmware.com>
Date: Mon, 26 Jun 2017 14:39:08 +0200
Subject: [PATCH] drm/vmwgfx: Free hash table allocated by cmdbuf managed res mgr
Git-commit: 82fcee526ba8ca2c5d378bdf51b21b7eb058fe3a
Patch-mainline: 4.12
References: bsc#1041744

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 <drawat@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Takashi Iwai <tiwai@suse.de>

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

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c
index 13db8a2851ed..1f013d45c9e9 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c
@@ -321,6 +321,7 @@ void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man)
 	list_for_each_entry_safe(entry, next, &man->list, head)
 		vmw_cmdbuf_res_free(man, entry);
+	drm_ht_remove(&man->resources);