drm: nopfn warning on 64-bit

diff --git a/linux-core/drm_vm.c b/linux-core/drm_vm.c
index 1f905fb..d39dfc7 100644 (file)
--- a/linux-core/drm_vm.c
+++ b/linux-core/drm_vm.c
@@ -739,7 +739,7 @@ static unsigned long drm_bo_vm_nopfn(struct vm_area_struct *vma,
        unsigned long bus_base;
        unsigned long bus_offset;
        unsigned long bus_size;
-       int ret = NOPFN_REFAULT;
+       unsigned long ret = NOPFN_REFAULT;
 
        if (address > vma->vm_end)
                return NOPFN_SIGBUS;