diff --git a/arch/x86/events/intel/uncore_snbep.c b/arch/x86/events/intel/uncore_snbep.c
index 63f097289a84c..1587d32897430 100644
--- a/arch/x86/events/intel/uncore_snbep.c
+++ b/arch/x86/events/intel/uncore_snbep.c
@@ -1406,6 +1406,8 @@ static int snbep_pci2phy_map_init(int devid, int nodeid_loc, int idmap_loc, bool
 						die_id = i;
 					else
 						die_id = topology_phys_to_logical_pkg(i);
+					if (die_id < 0)
+						die_id = -ENODEV;
 					map->pbus_to_dieid[bus] = die_id;
 					break;
 				}
@@ -1452,14 +1454,14 @@ static int snbep_pci2phy_map_init(int devid, int nodeid_loc, int idmap_loc, bool
 			i = -1;
 			if (reverse) {
 				for (bus = 255; bus >= 0; bus--) {
-					if (map->pbus_to_dieid[bus] >= 0)
+					if (map->pbus_to_dieid[bus] != -1)
 						i = map->pbus_to_dieid[bus];
 					else
 						map->pbus_to_dieid[bus] = i;
 				}
 			} else {
 				for (bus = 0; bus <= 255; bus++) {
-					if (map->pbus_to_dieid[bus] >= 0)
+					if (map->pbus_to_dieid[bus] != -1)
 						i = map->pbus_to_dieid[bus];
 					else
 						map->pbus_to_dieid[bus] = i;