2 files changed, 2 insertions, 2 deletions

diff --git a/include/asm-s390/ccwdev.h b/include/asm-s390/ccwdev.h
index 12456cb2f882..58c70acffc73 100644
--- a/include/asm-s390/ccwdev.h
+++ b/include/asm-s390/ccwdev.h
@@ -63,7 +63,7 @@ ccw_device_id_match(const struct ccw_device_id *array,
                 return id;
         }
 
-        return 0;
+        return NULL;
 }
 
 /* The struct ccw device is our replacement for the globally accessible
diff --git a/include/asm-s390/pgalloc.h b/include/asm-s390/pgalloc.h
index 3002fda89d33..a78e853e0dd5 100644
--- a/include/asm-s390/pgalloc.h
+++ b/include/asm-s390/pgalloc.h
@@ -142,7 +142,7 @@ pte_alloc_one(struct mm_struct *mm, unsigned long vmaddr)
         pte_t *pte = pte_alloc_one_kernel(mm, vmaddr);
         if (pte)
                 return virt_to_page(pte);
-        return 0;
+        return NULL;
 }
 
 static inline void pte_free_kernel(pte_t *pte)