[PATCH 5.10 32/77] drm/ttm: fix memleak in ttm_transfered_destroy

Greg Kroah-Hartman
2021-11-01T09:37:57Z

From: Christian König <christian.koenig@amd.com>

commit 0db55f9a1bafbe3dac750ea669de9134922389b5 upstream.

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
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/gpu/drm/ttm/ttm_bo_util.c | 1 +
1 file changed, 1 insertion(+)

--- a/drivers/gpu/drm/ttm/ttm_bo_util.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_util.c
@@ -322,6 +322,7 @@ static void ttm_transfered_destroy(struc
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);
}