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authorMichael S. Tsirkin <mst@redhat.com>2014-12-04 20:20:27 +0200
committerMichael S. Tsirkin <mst@redhat.com>2014-12-09 16:32:32 +0200
commit5c609a5ef05d98e26778824ba84581fe5e400db6 (patch)
tree487da89e8ad7ef9d3bcb485ae877518f1669e18b /drivers/misc
parentce15408f350c4b97635618692a45aedabfdd2696 (diff)
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/misc')
-rw-r--r--drivers/misc/mic/card/mic_virtio.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/misc/mic/card/mic_virtio.c b/drivers/misc/mic/card/mic_virtio.c
index d027d299602f..e486a0c26267 100644
--- a/drivers/misc/mic/card/mic_virtio.c
+++ b/drivers/misc/mic/card/mic_virtio.c
@@ -84,7 +84,7 @@ static u64 mic_get_features(struct virtio_device *vdev)
return features;
}
-static void mic_finalize_features(struct virtio_device *vdev)
+static int mic_finalize_features(struct virtio_device *vdev)
{
unsigned int i, bits;
struct mic_device_desc __iomem *desc = to_micvdev(vdev)->desc;
@@ -107,6 +107,8 @@ static void mic_finalize_features(struct virtio_device *vdev)
iowrite8(ioread8(&out_features[i / 8]) | (1 << (i % 8)),
&out_features[i / 8]);
}
+
+ return 0;
}
/*