sfc: Fix division by zero when using one RX channel and no SR-IOV

[linux-flexiantxendom0-3.2.10.git] / drivers / net / ethernet / sfc / efx.c

diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c
index 3cbfbff..4a00053 100644 (file)
--- a/drivers/net/ethernet/sfc/efx.c
+++ b/drivers/net/ethernet/sfc/efx.c
@@ -1349,7 +1349,7 @@ static int efx_probe_interrupts(struct efx_nic *efx)
        }
 
        /* RSS might be usable on VFs even if it is disabled on the PF */
-       efx->rss_spread = (efx->n_rx_channels > 1 ?
+       efx->rss_spread = ((efx->n_rx_channels > 1 || !efx_sriov_wanted(efx)) ?
                           efx->n_rx_channels : efx_vf_size(efx));
 
        return 0;