Hi Conor, On 11/4/20 6:02 PM, Conor Walsh wrote: > When DPDK is compiled with gcc < 9 with the optimization level set to 1 > gcc sees slot_idx as possibly being uninitialised. To correct this error > slot_idx has been initialised to 0. > > Signed-off-by: Conor Walsh <conor.wa...@intel.com> > --- > lib/librte_vhost/virtio_net.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/lib/librte_vhost/virtio_net.c b/lib/librte_vhost/virtio_net.c > index 3a019b7446..bef39180b5 100644 > --- 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; >
Same patch has already been submitted and merged: https://patches.dpdk.org/patch/82281/ Thanks, Maxime
