vhost: fix uninitialized local variable

This patch initializes a local parameter in async data path to avoid
compiler warnings.

Fixes: cd6760da1076 ("vhost: introduce async enqueue for split ring")
Cc: stable@dpdk.org
Signed-off-by: Patrick Fu <patrick.fu@intel.com>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>

diff --git a/lib/librte_vhost/virtio_net.c b/lib/librte_vhost/virtio_net.c
index 0307956..10dec5e 100644 (file)
--- a/lib/librte_vhost/virtio_net.c
+++ b/lib/librte_vhost/virtio_net.c
@@ -1491,7 +1491,7 @@ virtio_dev_rx_async_submit_split(struct virtio_net *dev,
        struct iovec *dst_iovec = vec_pool + (VHOST_MAX_ASYNC_VEC >> 1);
        struct rte_vhost_iov_iter *src_it = it_pool;
        struct rte_vhost_iov_iter *dst_it = it_pool + 1;
-       uint16_t n_free_slot, slot_idx;
+       uint16_t n_free_slot, slot_idx = 0;
        uint16_t pkt_err = 0;
        uint16_t segs_await = 0;
        struct async_inflight_info *pkts_info = vq->async_pkts_info;