exec: cleanup DEBUG_SUBPAGE

Touched some error after enabling DEBUG_SUBPAGE.

Signed-off-by: Amos Kong <akong@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
diff --git a/exec.c b/exec.c
index 26681ce..51c2369 100644
--- a/exec.c
+++ b/exec.c
@@ -1573,7 +1573,7 @@
     uint8_t buf[4];
 
 #if defined(DEBUG_SUBPAGE)
-    printf("%s: subpage %p len %d addr " TARGET_FMT_plx "\n", __func__,
+    printf("%s: subpage %p len %u addr " TARGET_FMT_plx "\n", __func__,
            subpage, len, addr);
 #endif
     address_space_read(subpage->as, addr + subpage->base, buf, len);
@@ -1596,7 +1596,7 @@
     uint8_t buf[4];
 
 #if defined(DEBUG_SUBPAGE)
-    printf("%s: subpage %p len %d addr " TARGET_FMT_plx
+    printf("%s: subpage %p len %u addr " TARGET_FMT_plx
            " value %"PRIx64"\n",
            __func__, subpage, len, addr, value);
 #endif
@@ -1617,16 +1617,16 @@
 }
 
 static bool subpage_accepts(void *opaque, hwaddr addr,
-                            unsigned size, bool is_write)
+                            unsigned len, bool is_write)
 {
     subpage_t *subpage = opaque;
 #if defined(DEBUG_SUBPAGE)
-    printf("%s: subpage %p %c len %d addr " TARGET_FMT_plx "\n",
+    printf("%s: subpage %p %c len %u addr " TARGET_FMT_plx "\n",
            __func__, subpage, is_write ? 'w' : 'r', len, addr);
 #endif
 
     return address_space_access_valid(subpage->as, addr + subpage->base,
-                                      size, is_write);
+                                      len, is_write);
 }
 
 static const MemoryRegionOps subpage_ops = {
@@ -1646,8 +1646,8 @@
     idx = SUBPAGE_IDX(start);
     eidx = SUBPAGE_IDX(end);
 #if defined(DEBUG_SUBPAGE)
-    printf("%s: %p start %08x end %08x idx %08x eidx %08x mem %ld\n", __func__,
-           mmio, start, end, idx, eidx, memory);
+    printf("%s: %p start %08x end %08x idx %08x eidx %08x section %d\n",
+           __func__, mmio, start, end, idx, eidx, section);
 #endif
     for (; idx <= eidx; idx++) {
         mmio->sub_section[idx] = section;
@@ -1668,8 +1668,8 @@
                           "subpage", TARGET_PAGE_SIZE);
     mmio->iomem.subpage = true;
 #if defined(DEBUG_SUBPAGE)
-    printf("%s: %p base " TARGET_FMT_plx " len %08x %d\n", __func__,
-           mmio, base, TARGET_PAGE_SIZE, subpage_memory);
+    printf("%s: %p base " TARGET_FMT_plx " len %08x\n", __func__,
+           mmio, base, TARGET_PAGE_SIZE);
 #endif
     subpage_register(mmio, 0, TARGET_PAGE_SIZE-1, PHYS_SECTION_UNASSIGNED);