diff --git a/libcopybit/copybit.cpp b/libcopybit/copybit.cpp
index b8118a0..977a3ab 100644
--- a/libcopybit/copybit.cpp
+++ b/libcopybit/copybit.cpp
@@ -229,10 +229,10 @@
 #if DEBUG_MDP_ERRORS
         struct mdp_blit_req_list const* l =
             (struct mdp_blit_req_list const*)list;
-        for (int i=0 ; i<l->count ; i++) {
+        for (unsigned int i=0 ; i<l->count ; i++) {
             ALOGE("%d: src={w=%d, h=%d, f=%d, rect={%d,%d,%d,%d}}\n"
                   "    dst={w=%d, h=%d, f=%d, rect={%d,%d,%d,%d}}\n"
-                  "    flags=%08lx"
+                  "    flags=%08x"
                   ,
                   i,
                   l->req[i].src.width,
@@ -391,8 +391,8 @@
             }
         }
 
-        if (src_rect->l < 0 || src_rect->r > src->w ||
-            src_rect->t < 0 || src_rect->b > src->h) {
+        if (src_rect->l < 0 || src_rect->r > (int)src->w ||
+            src_rect->t < 0 || src_rect->b > (int)src->h) {
             // this is always invalid
             ALOGE ("%s : Invalid source rectangle : src_rect l %d t %d r %d b %d",\
                    __FUNCTION__, src_rect->l, src_rect->t, src_rect->r, src_rect->b);