linux-kernel - [PATCH 5.5 001/151] virtio_balloon: Adjust label in virtballoon

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Date:   Tue, 17 Mar 2020 11:53:31 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Nathan Chancellor <natechancellor@...il.com>,
        "Michael S. Tsirkin" <mst@...hat.com>,
        David Hildenbrand <david@...hat.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.5 001/151] virtio_balloon: Adjust label in virtballoon_probe

From: Nathan Chancellor <natechancellor@...il.com>

[ Upstream commit 6ae4edab2fbf86ec92fbf0a8f0c60b857d90d50f ]

Clang warns when CONFIG_BALLOON_COMPACTION is unset:

../drivers/virtio/virtio_balloon.c:963:1: warning: unused label
'out_del_vqs' [-Wunused-label]
out_del_vqs:
^~~~~~~~~~~~
1 warning generated.

Move the label within the preprocessor block since it is only used when
CONFIG_BALLOON_COMPACTION is set.

Fixes: 1ad6f58ea936 ("virtio_balloon: Fix memory leaks on errors in virtballoon_probe()")
Link: https://github.com/ClangBuiltLinux/linux/issues/886
Signed-off-by: Nathan Chancellor <natechancellor@...il.com>
Link: https://lore.kernel.org/r/20200216004039.23464-1-natechancellor@gmail.com
Signed-off-by: Michael S. Tsirkin <mst@...hat.com>
Reviewed-by: David Hildenbrand <david@...hat.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/virtio/virtio_balloon.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
index 7bfe365d93720..341458fd95ca4 100644
--- a/drivers/virtio/virtio_balloon.c
+++ b/drivers/virtio/virtio_balloon.c
@@ -959,8 +959,8 @@ out_iput:
 	iput(vb->vb_dev_info.inode);
 out_kern_unmount:
 	kern_unmount(balloon_mnt);
-#endif
 out_del_vqs:
+#endif
 	vdev->config->del_vqs(vdev);
 out_free_vb:
 	kfree(vb);
-- 
2.20.1