Failing to specify a specific type here breaks anything that relies on the type
being explicitly known, such as page_folio().

Make explicit the type of null pointer returned here.

Signed-off-by: Lorenzo Stoakes <lstoakes@gmail.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
---
 arch/m68k/include/asm/motorola_pgtable.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/m68k/include/asm/motorola_pgtable.h b/arch/m68k/include/asm/motorola_pgtable.h
index 7ac3d64c6b33..562b54e09850 100644
--- a/arch/m68k/include/asm/motorola_pgtable.h
+++ b/arch/m68k/include/asm/motorola_pgtable.h
@@ -124,7 +124,7 @@ static inline void pud_set(pud_t *pudp, pmd_t *pmdp)
  * expects pmd_page() to exists, only to then DCE it all. Provide a dummy to
  * make the compiler happy.
  */
-#define pmd_page(pmd)		NULL
+#define pmd_page(pmd)		((struct page *)NULL)
 
 
 #define pud_none(pud)		(!pud_val(pud))
-- 
2.39.0