From e80d3304195a6fe8a82c4f264f55b42adf384a04 Mon Sep 17 00:00:00 2001
From: José Fonseca <jfonseca@vmware.com>
Date: Wed, 4 Mar 2009 16:07:51 +0000
Subject: gallium: Ensure map ranges are valid.

---
 src/gallium/include/pipe/p_inlines.h | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/gallium/include')

diff --git a/src/gallium/include/pipe/p_inlines.h b/src/gallium/include/pipe/p_inlines.h
index 1f46461043..4e5252dfbe 100644
--- a/src/gallium/include/pipe/p_inlines.h
+++ b/src/gallium/include/pipe/p_inlines.h
@@ -83,6 +83,8 @@ pipe_buffer_map_range(struct pipe_screen *screen,
                 unsigned length,
                 unsigned usage)
 {
+   assert(offset < buf->size);
+   assert(offset + length <= buf->size);
    if(screen->buffer_map_range)
       return screen->buffer_map_range(screen, buf, offset, length, usage);
    else {
@@ -98,6 +100,8 @@ pipe_buffer_flush_mapped_range(struct pipe_screen *screen,
                                unsigned offset,
                                unsigned length)
 {
+   assert(offset < buf->size);
+   assert(offset + length <= buf->size);
    if(screen->buffer_flush_mapped_range)
       screen->buffer_flush_mapped_range(screen, buf, offset, length);
 }
-- 
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