linux-kernel - [PATCH v10 09/17] virtio-vdpa: Handle the failure of vdpa

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Message-Id: <20210729073503.187-10-xieyongji@bytedance.com>
Date:   Thu, 29 Jul 2021 15:34:55 +0800
From:   Xie Yongji <xieyongji@...edance.com>
To:     mst@...hat.com, jasowang@...hat.com, stefanha@...hat.com,
        sgarzare@...hat.com, parav@...dia.com, hch@...radead.org,
        christian.brauner@...onical.com, rdunlap@...radead.org,
        willy@...radead.org, viro@...iv.linux.org.uk, axboe@...nel.dk,
        bcrl@...ck.org, corbet@....net, mika.penttila@...tfour.com,
        dan.carpenter@...cle.com, joro@...tes.org,
        gregkh@...uxfoundation.org, zhe.he@...driver.com,
        xiaodong.liu@...el.com, joe@...ches.com
Cc:     songmuchun@...edance.com,
        virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org,
        kvm@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org
Subject: [PATCH v10 09/17] virtio-vdpa: Handle the failure of vdpa_reset()

The vpda_reset() may fail now. This adds check to its return
value and fail the virtio_vdpa_reset().

Signed-off-by: Xie Yongji <xieyongji@...edance.com>
---
 drivers/virtio/virtio_vdpa.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/virtio/virtio_vdpa.c b/drivers/virtio/virtio_vdpa.c
index 3e666f70e829..ebbd8471bbee 100644
--- a/drivers/virtio/virtio_vdpa.c
+++ b/drivers/virtio/virtio_vdpa.c
@@ -101,9 +101,7 @@ static int virtio_vdpa_reset(struct virtio_device *vdev)
 {
 	struct vdpa_device *vdpa = vd_get_vdpa(vdev);
 
-	vdpa_reset(vdpa);
-
-	return 0;
+	return vdpa_reset(vdpa);
 }
 
 static bool virtio_vdpa_notify(struct virtqueue *vq)
-- 
2.11.0