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path: root/drivers/gpu/drm/virtio/virtgpu_vq.c
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Diffstat (limited to 'drivers/gpu/drm/virtio/virtgpu_vq.c')
-rw-r--r--drivers/gpu/drm/virtio/virtgpu_vq.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/gpu/drm/virtio/virtgpu_vq.c b/drivers/gpu/drm/virtio/virtgpu_vq.c
index a3be65e689fd..374279ba1444 100644
--- a/drivers/gpu/drm/virtio/virtgpu_vq.c
+++ b/drivers/gpu/drm/virtio/virtgpu_vq.c
@@ -563,9 +563,13 @@ static void virtio_gpu_cmd_get_capset_info_cb(struct virtio_gpu_device *vgdev,
int i = le32_to_cpu(cmd->capset_index);
spin_lock(&vgdev->display_info_lock);
- vgdev->capsets[i].id = le32_to_cpu(resp->capset_id);
- vgdev->capsets[i].max_version = le32_to_cpu(resp->capset_max_version);
- vgdev->capsets[i].max_size = le32_to_cpu(resp->capset_max_size);
+ if (vgdev->capsets) {
+ vgdev->capsets[i].id = le32_to_cpu(resp->capset_id);
+ vgdev->capsets[i].max_version = le32_to_cpu(resp->capset_max_version);
+ vgdev->capsets[i].max_size = le32_to_cpu(resp->capset_max_size);
+ } else {
+ DRM_ERROR("invalid capset memory.");
+ }
spin_unlock(&vgdev->display_info_lock);
wake_up(&vgdev->resp_wq);
}
@@ -861,9 +865,9 @@ int virtio_gpu_object_attach(struct virtio_gpu_device *vgdev,
}
/* gets freed when the ring has consumed it */
- ents = kmalloc_array(obj->pages->nents,
- sizeof(struct virtio_gpu_mem_entry),
- GFP_KERNEL);
+ ents = kvmalloc_array(obj->pages->nents,
+ sizeof(struct virtio_gpu_mem_entry),
+ GFP_KERNEL);
if (!ents) {
DRM_ERROR("failed to allocate ent list\n");
return -ENOMEM;