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-rw-r--r--arch/sparc64/kernel/pci_sun4v.c27
1 files changed, 14 insertions, 13 deletions
diff --git a/arch/sparc64/kernel/pci_sun4v.c b/arch/sparc64/kernel/pci_sun4v.c
index ea51ade43b8b..13b611db0583 100644
--- 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);