Sasha Levin
2021-May-03 16:33 UTC
[PATCH AUTOSEL 5.12 025/134] drm/virtio: fix possible leak/unlock virtio_gpu_object_array
From: xndcn <xndchn at gmail.com> [ Upstream commit 377f8331d0565e6f71ba081c894029a92d0c7e77 ] virtio_gpu_object array is not freed or unlocked in some failed cases. Signed-off-by: xndcn <xndchn at gmail.com> Link: http://patchwork.freedesktop.org/patch/msgid/20210305151819.14330-1-xndchn at gmail.com Signed-off-by: Gerd Hoffmann <kraxel at redhat.com> Signed-off-by: Sasha Levin <sashal at kernel.org> --- drivers/gpu/drm/virtio/virtgpu_ioctl.c | 2 +- drivers/gpu/drm/virtio/virtgpu_object.c | 1 + 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/virtio/virtgpu_ioctl.c b/drivers/gpu/drm/virtio/virtgpu_ioctl.c index 23eb6d772e40..669f2ee39515 100644 --- a/drivers/gpu/drm/virtio/virtgpu_ioctl.c +++ b/drivers/gpu/drm/virtio/virtgpu_ioctl.c @@ -174,7 +174,7 @@ static int virtio_gpu_execbuffer_ioctl(struct drm_device *dev, void *data, if (!sync_file) { dma_fence_put(&out_fence->f); ret = -ENOMEM; - goto out_memdup; + goto out_unresv; } exbuf->fence_fd = out_fence_fd; diff --git a/drivers/gpu/drm/virtio/virtgpu_object.c b/drivers/gpu/drm/virtio/virtgpu_object.c index d69a5b6da553..4ff1ec28e630 100644 --- a/drivers/gpu/drm/virtio/virtgpu_object.c +++ b/drivers/gpu/drm/virtio/virtgpu_object.c @@ -248,6 +248,7 @@ int virtio_gpu_object_create(struct virtio_gpu_device *vgdev, ret = virtio_gpu_object_shmem_init(vgdev, bo, &ents, &nents); if (ret != 0) { + virtio_gpu_array_put_free(objs); virtio_gpu_free_object(&shmem_obj->base); return ret; } -- 2.30.2