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| author |   Wei Wang <wei.w.wang@intel.com> | 2018-12-28 10:26:26 +0800 |
|---|---|---|
| committer |   Michael S. Tsirkin <mst@redhat.com> | 2019-01-14 20:15:19 -0500 |
| commit | a229989d975eb926076307c1f2f5e4c6111768e7 (patch) | |
| tree | d7ee69ba30271cc65a55831bd2d3b6172cc3c830 /drivers/remoteproc | |
| parent | virtio_pci: use queue idx instead of array idx to set up the vq (diff) | |
| download | linux-dev-a229989d975eb926076307c1f2f5e4c6111768e7.tar.xz linux-dev-a229989d975eb926076307c1f2f5e4c6111768e7.zip | |
virtio: don't allocate vqs when names[i] = NULL
Some vqs may not need to be allocated when their related feature bits
are disabled. So callers may pass in such vqs with "names = NULL".
Then we skip such vq allocations.
Signed-off-by: Wei Wang <wei.w.wang@intel.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Wei Wang <wei.w.wang@intel.com>
Signed-off-by: Wei Wang <wei.w.wang@intel.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Cc: stable@vger.kernel.org
Fixes: 86a559787e6f ("virtio-balloon: VIRTIO_BALLOON_F_FREE_PAGE_HINT")
Diffstat (limited to 'drivers/remoteproc')
| -rw-r--r-- | drivers/remoteproc/remoteproc_virtio.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/remoteproc/remoteproc_virtio.c b/drivers/remoteproc/remoteproc_virtio.c index 183fc42a510a..2d7cd344f3bf 100644 --- a/drivers/remoteproc/remoteproc_virtio.c +++ b/drivers/remoteproc/remoteproc_virtio.c @@ -153,10 +153,15 @@ static int rproc_virtio_find_vqs(struct virtio_device *vdev, unsigned int nvqs, const bool * ctx, struct irq_affinity *desc) { - int i, ret; + int i, ret, queue_idx = 0; for (i = 0; i < nvqs; ++i) { - vqs[i] = rp_find_vq(vdev, i, callbacks[i], names[i], + if (!names[i]) { + vqs[i] = NULL; + continue; + } + + vqs[i] = rp_find_vq(vdev, queue_idx++, callbacks[i], names[i], ctx ? ctx[i] : false); if (IS_ERR(vqs[i])) { ret = PTR_ERR(vqs[i]); |