Add missing write lock call.

hselasky · hselasky · commit a86fc4452d69 · 2017-01-28T21:54:00.000+01:00
Signed-off-by: Hans Petter Selasky &lt;hps@selasky.org&gt;
diff --git a/drivers/gpu/drm/i915/intel_freebsd.c b/drivers/gpu/drm/i915/intel_freebsd.c
@@ -247,6 +247,7 @@ int remap_io_mapping(struct vm_area_struct *vma,
 			if (vm_page_insert(m, vm_obj, pidx)) {
 				VM_OBJECT_WUNLOCK(vm_obj);
 				VM_WAIT;
+				VM_OBJECT_WLOCK(vm_obj);
 				goto retry;
 			}
 			m->valid = VM_PAGE_BITS_ALL;

Original file line number	Diff line number	Diff line change
`@@ -247,6 +247,7 @@ int remap_io_mapping(struct vm_area_struct *vma,`
`247`	`247`	`if (vm_page_insert(m, vm_obj, pidx)) {`
`248`	`248`	`VM_OBJECT_WUNLOCK(vm_obj);`
`249`	`249`	`VM_WAIT;`
	`250`	`+ VM_OBJECT_WLOCK(vm_obj);`
`250`	`251`	`goto retry;`
`251`	`252`	`}`
`252`	`253`	`m->valid = VM_PAGE_BITS_ALL;`