qed: remove redundant assignment to variable 'rc'

The variable 'rc' is being assigned a value that is never read
and it is being updated later with a new value. The assignment
is redundant and can be removed.

Addresses-Coverity: ("Unused value")
Signed-off-by: NColin Ian King <colin.king@canonical.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/qlogic/qed/qed_l2.c

@@ -369,8 +369,8 @@ int qed_sp_eth_vport_start(struct qed_hwfn *p_hwfn,
 	struct qed_spq_entry *p_ent =  NULL;
 	struct qed_sp_init_data init_data;
 	u8 abs_vport_id = 0;
-	int rc = -EINVAL;
 	u16 rx_mode = 0;
+	int rc;
 
 	rc = qed_fw_vport(p_hwfn, p_params->vport_id, &abs_vport_id);
 	if (rc)