[PATCH] drm/virtio: fix memory leak in virtio_gpu_cleanup_object()

[PATCH] drm/virtio: fix memory leak in virtio_gpu_cleanup_object()

[Xin He]

Before setting shmem->pages to NULL, kfree() should
be called.

Signed-off-by: Xin He <hexin.op@bytedance.com>
Reviewed-by: Qi Liu <liuqi.16@bytedance.com>
---
 drivers/gpu/drm/virtio/virtgpu_object.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/virtio/virtgpu_object.c b/drivers/gpu/drm/virtio/virtgpu_object.c
index 6ccbd01cd888..703b5cd51751 100644
--- a/drivers/gpu/drm/virtio/virtgpu_object.c
+++ b/drivers/gpu/drm/virtio/virtgpu_object.c
@@ -79,6 +79,7 @@ void virtio_gpu_cleanup_object(struct virtio_gpu_object *bo)
 			}
 
 			sg_free_table(shmem->pages);
+			kfree(shmem->pages);
 			shmem->pages = NULL;
 			drm_gem_shmem_unpin(&bo->base.base);
 		}
-- 
2.21.1 (Apple Git-122.3)

Re: [PATCH] drm/virtio: fix memory leak in virtio_gpu_cleanup_object()

[Gerd Hoffmann]

On Wed, Jul 22, 2020 at 01:18:51PM +0800, Xin He wrote:
> Before setting shmem->pages to NULL, kfree() should
> be called.

>  			sg_free_table(shmem->pages);
> +			kfree(shmem->pages);
>  			shmem->pages = NULL;

Pushed to drm-misc-fixes.

thanks,
  Gerd

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