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-rw-r--r--hw/xfree86/common/xf86Bus.c3
-rw-r--r--hw/xfree86/common/xf86fbBus.c7
2 files changed, 10 insertions, 0 deletions
diff --git a/hw/xfree86/common/xf86Bus.c b/hw/xfree86/common/xf86Bus.c
index 8382d911a..0d732d0b1 100644
--- a/hw/xfree86/common/xf86Bus.c
+++ b/hw/xfree86/common/xf86Bus.c
@@ -428,6 +428,9 @@ xf86GetEntityInfo(int entityIndex)
EntityInfoPtr pEnt;
int i;
+ if (entityIndex == -1)
+ return NULL;
+
if (entityIndex >= xf86NumEntities)
return NULL;
diff --git a/hw/xfree86/common/xf86fbBus.c b/hw/xfree86/common/xf86fbBus.c
index a18963991..90e6eb0b6 100644
--- a/hw/xfree86/common/xf86fbBus.c
+++ b/hw/xfree86/common/xf86fbBus.c
@@ -57,6 +57,13 @@ xf86ClaimFbSlot(DriverPtr drvp, int chipset, GDevPtr dev, Bool active)
{
EntityPtr p;
int num;
+
+ if (pciSlotClaimed)
+ return -1;
+#if defined(__sparc__) || defined (__sparc64__)
+ if (sbusSlotClaimed)
+ return -1;
+#endif
num = xf86AllocateEntity();
p = xf86Entities[num];