Commit ac823b67 authored by Gautam Dawar's avatar Gautam Dawar Committed by Pengyuan Zhao
Browse files

virtio-vdpa: don't set callback if virtio doesn't need it 

mainline inclusion
from mainline-v5.19-rc1
commit ea239a67
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I5WXCZ
CVE: NA

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ea239a67461a34839e2172ead3043295a9173389



----------------------------------------------------------------------

There's no need for setting callbacks for the driver that doesn't care
about that.

Signed-off-by: default avatarJason Wang <jasowang@redhat.com>
Signed-off-by: default avatarGautam Dawar <gdawar@xilinx.com>
Message-Id: <20220330180436.24644-3-gdawar@xilinx.com>
Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>
Signed-off-by: default avatarPengyuan Zhao <zhaopengyuan@hisilicon.com>
parent 54866656

drivers/virtio/virtio_vdpa.c

+1 −1
Original line number Diff line number Diff line
@@ -184,7 +184,7 @@ virtio_vdpa_setup_vq(struct virtio_device *vdev, unsigned int index, 
	}



	/* Setup virtqueue callback */

	cb.callback = virtio_vdpa_virtqueue_cb;

	cb.callback = callback ? virtio_vdpa_virtqueue_cb : NULL;

	cb.private = info;

	ops->set_vq_cb(vdpa, index, &cb);

	ops->set_vq_num(vdpa, index, virtqueue_get_vring_size(vq));