Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
        list_replace_init(&df_list, &l);
        spin_unlock_irq(&cpa_lock);
        if (!cpu_has_clflush)
-               flush_map(0);
+               flush_map(NULL);
        list_for_each_entry_safe(pg, next, &l, lru) {
                if (cpu_has_clflush)
                        flush_map(page_address(pg));
 
                        return put_user(0, p);
 
                case WDIOC_KEEPALIVE:
-                       zf_ping(0);
+                       zf_ping(NULL);
                        break;
 
                default:
 
        for (j = RMAP_EXT - 1; !desc->shadow_ptes[j] && j > i; --j)
                ;
        desc->shadow_ptes[i] = desc->shadow_ptes[j];
-       desc->shadow_ptes[j] = 0;
+       desc->shadow_ptes[j] = NULL;
        if (j != 0)
                return;
        if (!prev_desc && !desc->more)