mm: fix integer as NULL pointer warnings

mm/hugetlb.c:207:11: warning: Using plain integer as NULL pointer

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index df28c17..2c37c67 100644 (file)
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -204,7 +204,7 @@ static struct page *alloc_fresh_huge_page_node(int nid)
        if (page) {
                if (arch_prepare_hugepage(page)) {
                        __free_pages(page, HUGETLB_PAGE_ORDER);
-                       return 0;
+                       return NULL;
                }
                set_compound_page_dtor(page, free_huge_page);
                spin_lock(&hugetlb_lock);