s390/pci: read clp_list_pci_req only once

We do not have to reset the fh_list in the loop.
Signed-off-by: Pierre Morel <pmorel@linux.ibm.com>
Reviewed-by: Niklas Schnelle <schnelle@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>

arch/s390/pci/pci_clp.c

@@ -383,8 +383,8 @@ static int clp_find_pci(struct clp_req_rsp_list_pci *rrb, u32 fid,
 		rc = clp_list_pci_req(rrb, &resume_token, &nentries);
 		if (rc)
 			return rc;
+		fh_list = rrb->response.fh_list;
 		for (i = 0; i < nentries; i++) {
-			fh_list = rrb->response.fh_list;
 			if (fh_list[i].fid == fid) {
 				*entry = fh_list[i];
 				return 0;