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If a packet was sent on a Tx queue with index >> = number Rx queues there was a segfault due to accessing beyond the end > of the dev->data->rx_queues[] array. > > This commit fixes the issue by creating an Rx queue for every Tx queue > meaning that an event buffer is allocated to handle receiving Tx > completion messages. > > mbuf pool and Rx ring are not allocated for these additional Rx queues > and RSS configuration ensures that no packets are received on them. > > Fixes: 4e9c73e96e83 ("net/netvsc: add Hyper-V network device") > Cc: sthemmin@microsoft.com > Cc: stable@dpdk.org > > Signed-off-by: Alan Elder > Signed-off-by: Long Li > Applied to dpdk-next-net/main, thanks. Checkpatch warning fixed while merging.