linux-kernel - [PATCH v4 3/3] virtio_balloon: remove the unnecessary 0-initialization

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Message-Id: <1546923005-40517-4-git-send-email-wei.w.wang@intel.com>
Date:   Tue,  8 Jan 2019 12:50:05 +0800
From:   Wei Wang <wei.w.wang@...el.com>
To:     virtio-dev@...ts.oasis-open.org, linux-kernel@...r.kernel.org,
        stable@...r.kernel.org, virtualization@...ts.linux-foundation.org,
        kvm@...r.kernel.org, mst@...hat.com, cohuck@...hat.com
Cc:     borntraeger@...ibm.com, pbonzini@...hat.com, dgilbert@...hat.com,
        wei.w.wang@...el.com, pasic@...ux.ibm.com
Subject: [PATCH v4 3/3] virtio_balloon: remove the unnecessary 0-initialization

We've changed to kzalloc the vb struct, so no need to 0-initialize
this field one more time.

Signed-off-by: Wei Wang <wei.w.wang@...el.com>
Reviewed-by: Cornelia Huck <cohuck@...hat.com>
---
 drivers/virtio/virtio_balloon.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
index d48c12c..048959a 100644
--- a/drivers/virtio/virtio_balloon.c
+++ b/drivers/virtio/virtio_balloon.c
@@ -925,7 +925,6 @@ static int virtballoon_probe(struct virtio_device *vdev)
 						  VIRTIO_BALLOON_CMD_ID_STOP);
 		vb->cmd_id_stop = cpu_to_virtio32(vb->vdev,
 						  VIRTIO_BALLOON_CMD_ID_STOP);
-		vb->num_free_page_blocks = 0;
 		spin_lock_init(&vb->free_page_list_lock);
 		INIT_LIST_HEAD(&vb->free_page_list);
 		if (virtio_has_feature(vdev, VIRTIO_BALLOON_F_PAGE_POISON)) {
-- 
2.7.4