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virtio: video: allow dead code in the utils module

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The utils module contains code commonly used by backends, but not
necessarily used by all. This can lead to compiler warnings about unused
code depending on which backends are compiled in. Silence them by
allowing dead code in that module only.

BUG=None
TEST=`cargo build --features "video-decoder,video-encoder,libvda"` does
not emit any warning.

Change-Id: Ia5cb28f84a2367f450c69eb505347cc4a0d95ba1
Reviewed-on: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/3960215
Reviewed-by: Dennis Kempin <denniskempin@google.com>
Auto-Submit: Alexandre Courbot <acourbot@chromium.org>
Commit-Queue: Dennis Kempin <denniskempin@google.com>
This commit is contained in:
Alexandre Courbot 2022-10-18 11:17:20 +09:00 committed by crosvm LUCI
parent 474d2eea17
commit 5286194102
1 changed files with 3 additions and 0 deletions
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3
devices/src/virtio/video/utils.rs
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@ -2,6 +2,9 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Not all video backends make use of the tools in this module.
#![allow(dead_code)]
use std::collections::btree_map::Entry;
use std::collections::BTreeMap;
use std::collections::VecDeque;