upc_req
tmp = list_entry(lh, struct upc_req , uc_chain);
struct upc_req *req;
req = list_entry(vcp->vc_pending.next, struct upc_req,uc_chain);
struct upc_req *req, *tmp;
struct upc_req *req = NULL;
struct upc_req *tmp;
struct upc_req *req)
struct upc_req *req = NULL, *sig_req;
req = kmalloc_obj(struct upc_req);
sig_req = kmalloc_obj(struct upc_req);