[SPARC64]: Make lack of interrupt-map-* a fatal error on SUN4V.

Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/arch/sparc64/kernel/pci_sun4v.c b/arch/sparc64/kernel/pci_sun4v.c
index ea51ade43b8bbf34a4f2485e6ee58c7b401fa071..13b611db0583612882444fa7ca01745592a81da0 100644 (file)
--- a/arch/sparc64/kernel/pci_sun4v.c
+++ b/arch/sparc64/kernel/pci_sun4v.c
@@ -954,19 +954,20 @@ static void pci_sun4v_pbm_init(struct pci_controller_info *p, int prom_node, u32
        err = prom_getproperty(prom_node, "interrupt-map",
                               (char *)pbm->pbm_intmap,
                               sizeof(pbm->pbm_intmap));
-       if (err != -1) {
-               pbm->num_pbm_intmap = (err / sizeof(struct linux_prom_pci_intmap));
-               err = prom_getproperty(prom_node, "interrupt-map-mask",
-                                      (char *)&pbm->pbm_intmask,
-                                      sizeof(pbm->pbm_intmask));
-               if (err == -1) {
-                       prom_printf("%s: Fatal error, no "
-                                   "interrupt-map-mask.\n", pbm->name);
-                       prom_halt();
-               }
-       } else {
-               pbm->num_pbm_intmap = 0;
-               memset(&pbm->pbm_intmask, 0, sizeof(pbm->pbm_intmask));
+       if (err == 0 || err == -1) {
+               prom_printf("%s: Fatal error, no interrupt-map property.\n",
+                           pbm->name);
+               prom_halt();
+       }
+
+       pbm->num_pbm_intmap = (err / sizeof(struct linux_prom_pci_intmap));
+       err = prom_getproperty(prom_node, "interrupt-map-mask",
+                              (char *)&pbm->pbm_intmask,
+                              sizeof(pbm->pbm_intmask));
+       if (err == 0 || err == -1) {
+               prom_printf("%s: Fatal error, no interrupt-map-mask.\n",
+                           pbm->name);
+               prom_halt();
        }
 
        pci_sun4v_get_bus_range(pbm);