Coverity complains the expression, j % vif->num_txq, may encounter
divide by zero. While there is little chance that vif->num_txq is
zero, it is easy to prevent divide by zero if vif->num_txq is ever
zero.
Type: fix
Fixes: I337ec63d0868f665329d68eadf1744e080b73a0d
Signed-off-by: Steven Luong <sluong@cisco.com>
Change-Id: I2e91f296737ce266ab70fffc1f442cc600724fa2
vnm, vif->hw_if_index, TX_QUEUE_ACCESS (vring->queue_id));
}
+ if (vif->num_txqs == 0)
+ {
+ virtio_log_error (vif, "Interface %U has 0 txq",
+ format_vnet_hw_if_index_name, vnm, vif->hw_if_index);
+ return;
+ }
+
for (u32 j = 0; j < vlib_get_n_threads (); j++)
{
u32 qi = vif->txq_vrings[j % vif->num_txqs].queue_index;