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| author | Michael S. Tsirkin <mst@redhat.com> | 2014-12-04 19:20:27 +0100 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2014-12-09 15:32:32 +0100 |
| commit | 5c609a5ef05d98e26778824ba84581fe5e400db6 (patch) | |
| tree | 487da89e8ad7ef9d3bcb485ae877518f1669e18b /drivers/s390/kvm/kvm_virtio.c | |
| parent | virtio_ccw: legacy: don't negotiate rev 1/features (diff) | |
| download | linux-5c609a5ef05d98e26778824ba84581fe5e400db6.tar.xz linux-5c609a5ef05d98e26778824ba84581fe5e400db6.zip | |
virtio: allow finalize_features to fail
This will make it easy for transports to validate features and return
failure.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'drivers/s390/kvm/kvm_virtio.c')
| -rw-r--r-- | drivers/s390/kvm/kvm_virtio.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/s390/kvm/kvm_virtio.c b/drivers/s390/kvm/kvm_virtio.c index f5575ccdbb65..dd65c8b4c7fe 100644 --- a/drivers/s390/kvm/kvm_virtio.c +++ b/drivers/s390/kvm/kvm_virtio.c @@ -93,7 +93,7 @@ static u64 kvm_get_features(struct virtio_device *vdev) return features; } -static void kvm_finalize_features(struct virtio_device *vdev) +static int kvm_finalize_features(struct virtio_device *vdev) { unsigned int i, bits; struct kvm_device_desc *desc = to_kvmdev(vdev)->desc; @@ -112,6 +112,8 @@ static void kvm_finalize_features(struct virtio_device *vdev) if (__virtio_test_bit(vdev, i)) out_features[i / 8] |= (1 << (i % 8)); } + + return 0; } /* |