[dpdk-stable] [PATCH] vhost: fix checking of device features

[Ivan Dyukov]

To compare enabled features in current device we must use bit
mask instead of bit position.

CC: stable at dpdk.org
Fixes: c843af3aa13e ("vhost: access header only")

Signed-off-by: Ivan Dyukov <i.dyukov at samsung.com>
---
 lib/librte_vhost/virtio_net.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/lib/librte_vhost/virtio_net.c b/lib/librte_vhost/virtio_net.c
index ebfda1c..4fae4c1 100644
--- a/lib/librte_vhost/virtio_net.c
+++ b/lib/librte_vhost/virtio_net.c
@@ -601,9 +601,11 @@ static inline bool
 virtio_net_with_host_offload(struct virtio_net *dev)
 {
 	if (dev->features &
-			(VIRTIO_NET_F_CSUM | VIRTIO_NET_F_HOST_ECN |
-			 VIRTIO_NET_F_HOST_TSO4 | VIRTIO_NET_F_HOST_TSO6 |
-			 VIRTIO_NET_F_HOST_UFO))
+			((1ULL << VIRTIO_NET_F_CSUM) |
+			 (1ULL << VIRTIO_NET_F_HOST_ECN) |
+			 (1ULL << VIRTIO_NET_F_HOST_TSO4) |
+			 (1ULL << VIRTIO_NET_F_HOST_TSO6) |
+			 (1ULL << VIRTIO_NET_F_HOST_UFO)))
 		return true;
 
 	return false;
-- 
2.7.4