cxgb4vf: Initialize mdio_addr before using it

In commit 5ad24def21b205a8 ("cxgb4vf: Fix ethtool get_settings for VF driver")
mdio_addr of port_info structure was used unininitialzed. Fixing it.

Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c b/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c
index 21dc9a2..60426cf 100644 (file)
--- a/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c
+++ b/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c
@@ -323,6 +323,8 @@ int t4vf_port_init(struct adapter *adapter, int pidx)
                return v;
 
        v = be32_to_cpu(port_rpl.u.info.lstatus_to_modtype);
+       pi->mdio_addr = (v & FW_PORT_CMD_MDIOCAP_F) ?
+                       FW_PORT_CMD_MDIOADDR_G(v) : -1;
        pi->port_type = FW_PORT_CMD_PTYPE_G(v);
        pi->mod_type = FW_PORT_MOD_TYPE_NA;