3 files changed, 16 insertions, 11 deletions
diff --git a/src/gallium/auxiliary/pipebuffer/pb_buffer.h b/src/gallium/auxiliary/pipebuffer/pb_buffer.h
index c9570d7be2..dd22ef34ec 100644
--- a/src/gallium/auxiliary/pipebuffer/pb_buffer.h
+++ b/src/gallium/auxiliary/pipebuffer/pb_buffer.h
@@ -217,6 +217,7 @@ pb_destroy(struct pb_buffer *buf)
    assert(buf);
    if(!buf)
       return;
+   assert(buf->base.refcount == 0);
    buf->vtbl->destroy(buf);
 }
 
@@ -227,11 +228,16 @@ static INLINE void
 pb_reference(struct pb_buffer **dst,
              struct pb_buffer *src)
 {
-   if (src) 
+   if (src) {
+      assert(src->base.refcount);
       src->base.refcount++;
+   }
 
-   if (*dst && --(*dst)->base.refcount == 0)
-      pb_destroy( *dst );
+   if (*dst) {
+      assert((*dst)->base.refcount);
+      if(--(*dst)->base.refcount == 0)
+         pb_destroy( *dst );
+   }
 
    *dst = src;
 }
diff --git a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_fenced.c b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_fenced.c
index f8fd2cd531..513ed28ca6 100644
--- a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_fenced.c
+++ b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_fenced.c
@@ -86,8 +86,7 @@ fenced_bufmgr_create_buffer(struct pb_manager *mgr,
    
    fenced_buf = fenced_buffer_create(fenced_mgr->fenced_list, buf);
    if(!fenced_buf) {
-      assert(buf->base.refcount == 1);
-      pb_destroy(buf);
+      pb_reference(&buf, NULL);
    }
    
    return fenced_buf;
diff --git a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_mm.c b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_mm.c
index 607f10bc73..fd39838bfd 100644
--- a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_mm.c
+++ b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_mm.c
@@ -100,7 +100,7 @@ mm_buffer_destroy(struct pb_buffer *buf)
    assert(buf->base.refcount == 0);
    
    pipe_mutex_lock(mm->mutex);
-   mmFreeMem(mm_buf->block);
+   u_mmFreeMem(mm_buf->block);
    FREE(buf);
    pipe_mutex_unlock(mm->mutex);
 }
@@ -198,14 +198,14 @@ mm_bufmgr_create_buffer(struct pb_manager *mgr,
    
    mm_buf->mgr = mm;
    
-   mm_buf->block = mmAllocMem(mm->heap, size, mm->align2, 0);
+   mm_buf->block = u_mmAllocMem(mm->heap, size, mm->align2, 0);
    if(!mm_buf->block) {
       debug_printf("warning: heap full\n");
 #if 0
       mmDumpMemInfo(mm->heap);
 #endif
       
-      mm_buf->block = mmAllocMem(mm->heap, size, mm->align2, 0);
+      mm_buf->block = u_mmAllocMem(mm->heap, size, mm->align2, 0);
       if(!mm_buf->block) {
          FREE(mm_buf);
          pipe_mutex_unlock(mm->mutex);
@@ -236,7 +236,7 @@ mm_bufmgr_destroy(struct pb_manager *mgr)
    
    pipe_mutex_lock(mm->mutex);
 
-   mmDestroy(mm->heap);
+   u_mmDestroy(mm->heap);
    
    pb_unmap(mm->buffer);
    pb_reference(&mm->buffer, NULL);
@@ -277,7 +277,7 @@ mm_bufmgr_create_from_buffer(struct pb_buffer *buffer,
    if(!mm->map)
       goto failure;
 
-   mm->heap = mmInit(0, size); 
+   mm->heap = u_mmInit(0, size); 
    if (!mm->heap)
       goto failure;
 
@@ -285,7 +285,7 @@ mm_bufmgr_create_from_buffer(struct pb_buffer *buffer,
    
 failure:
 if(mm->heap)
-   mmDestroy(mm->heap);
+   u_mmDestroy(mm->heap);
    if(mm->map)
       pb_unmap(mm->buffer);
    if(mm)