[xen staging] mm: enforce return value checking on get_page()

[patchbot@xxxxxxx]

commit b06edbf70e1a417a6f16b2cf9d799c560a2483b3
Author:     Jan Beulich <jbeulich@xxxxxxxx>
AuthorDate: Wed Jul 27 12:58:50 2022 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Wed Jul 27 12:58:50 2022 +0200

    mm: enforce return value checking on get_page()
    
    It's hard to imagine a case where an error may legitimately be ignored
    here. It's bad enough that in at least one case (set_shadow_status())
    the return value was checked only by way of ASSERT()ing.
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Acked-by: Julien Grall <jgrall@xxxxxxxxxx>
---
 xen/include/xen/mm.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/include/xen/mm.h b/xen/include/xen/mm.h
index 6dee421bb8..35b065146f 100644
--- a/xen/include/xen/mm.h
+++ b/xen/include/xen/mm.h
@@ -61,7 +61,7 @@
 struct page_info;
 
 void put_page(struct page_info *);
-bool get_page(struct page_info *, const struct domain *);
+bool __must_check get_page(struct page_info *, const struct domain *);
 struct domain *__must_check page_get_owner_and_reference(struct page_info *);
 
 /* Boot-time allocator. Turns into generic allocator after bootstrap. */
--
generated by git-patchbot for /home/xen/git/xen.git#staging