prov/lnx: Fix ld_core_domains cleanup on init fail

Remove free call for pointer to array element.

Check if a core domain is open before closing it in
lnx_domain_close(). This can occur if fi_domain() in
lnx_open_core_domains() fails.

Signed-off-by: George Katevenis <gkatev@ics.forth.gr>

Author: gkatev

prov/lnx/src/lnx_domain.c

@@ -76,9 +76,11 @@ static int lnx_domain_close(struct fid *fid)
 	for (i = 0; i < domain->ld_num_doms; i++) {
 		cd = &domain->ld_core_domains[i];
 
-		rc = fi_close(&cd->cd_domain->fid);
-		if (rc)
-			frc = rc;
+		if (cd->cd_domain) {
+			rc = fi_close(&cd->cd_domain->fid);
+			if (rc)
+				frc = rc;
+		}
 	}
 
 	ofi_bufpool_destroy(domain->ld_mem_reg_bp);
@@ -178,10 +180,9 @@ static int lnx_open_core_domains(struct lnx_fabric *lnx_fab,
 
 			rc = fi_domain(cf->cf_fabric, cd->cd_info,
 				       &cd->cd_domain, context);
-			if (rc) {
-				free(cd);
+			if (rc)
 				return rc;
-			}
+
 			cd->cd_fabric = cf;
 		}
 	}