drm: fix end of loop test

"agpmem" is never NULL here because it is the list cursor of a
list_for_each_entry() list.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/gpu/drm/drm_vm.c b/drivers/gpu/drm/drm_vm.c
index 3778360eceea..fda67468e603 100644
--- a/drivers/gpu/drm/drm_vm.c
+++ b/drivers/gpu/drm/drm_vm.c
@@ -138,7 +138,7 @@ static int drm_do_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
                                 break;
                 }
 
-                if (!agpmem)
+                if (&agpmem->head == &dev->agp->memory)
                         goto vm_fault_error;
 
                 /*