android: binder: Change return type to vm_fault_t

Use new return type vm_fault_t for fault handler in struct vm_operations_struct. For now, this is just documenting that the function returns a VM_FAULT value rather than an errno. Once all instances are converted, vm_fault_t will become a distinct type.

Reference id -> 1c8f422059ae ("mm: change return type to vm_fault_t")

---
 drivers/android/binder.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

index 15e3d3c..65be4ec 100644
@@ -4671,7 +4671,7 @@ static void binder_vma_close(struct vm_area_struct *vma)
 	binder_defer_work(proc, BINDER_DEFERRED_PUT_FILES);
 }
 
-static int binder_vm_fault(struct vm_fault *vmf)
+static vm_fault_t binder_vm_fault(struct vm_fault *vmf)
 {
 	return VM_FAULT_SIGBUS;
 }

--
1.9.1

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