Re: [dpdk-dev] [PATCH v1] vhost: fix uninitialized local variable

[Maxime Coquelin <maxime.coquelin@redhat.com>]

On 10/27/20 9:50 AM, Patrick Fu wrote:
> This patch initializes a local parameter in async data path to avoid
> compiler warnings.
> 
> Fixes: cd6760da1076 ("vhost: introduce async enqueue for split ring")
> 
> Signed-off-by: Patrick Fu <patrick.fu@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 030795645..10dec5e54 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;
> 


Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>

Thanks,
Maxime