From: Christian König <christian.koenig@amd.com>
Date: Wed, 20 Oct 2021 17:19:46 +0000 (+0200)
Subject: drm/ttm: fix memleak in ttm_transfered_destroy
X-Git-Tag: accepted/tizen/unified/20230118.172025~6114^2~3^2~2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0db55f9a1bafbe3dac750ea669de9134922389b5;p=platform%2Fkernel%2Flinux-rpi.git

drm/ttm: fix memleak in ttm_transfered_destroy

We need to cleanup the fences for ghost objects as well.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reported-by: Erhard F. <erhard_f@mailbox.org>
Tested-by: Erhard F. <erhard_f@mailbox.org>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Bug: https://bugzilla.kernel.org/show_bug.cgi?id=214029
Bug: https://bugzilla.kernel.org/show_bug.cgi?id=214447
CC: <stable@vger.kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20211020173211.2247-1-christian.koenig@amd.com
---

diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c
index 1c5ffe2..abf2d7a 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_util.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_util.c
@@ -190,6 +190,7 @@ static void ttm_transfered_destroy(struct ttm_buffer_object *bo)
 	struct ttm_transfer_obj *fbo;
 
 	fbo = container_of(bo, struct ttm_transfer_obj, base);
+	dma_resv_fini(&fbo->base.base._resv);
 	ttm_bo_put(fbo->bo);
 	kfree(fbo);
 }