From: José Fonseca <jfonseca@vmware.com>
Date: Wed, 4 Mar 2009 16:07:51 +0000 (+0000)
Subject: gallium: Ensure map ranges are valid.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=e80d3304195a6fe8a82c4f264f55b42adf384a04;p=mesa.git

gallium: Ensure map ranges are valid.
---

diff --git a/src/gallium/include/pipe/p_inlines.h b/src/gallium/include/pipe/p_inlines.h
index 1f46461043e..4e5252dfbe0 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);
 }