Module: Mesa
Branch: master
Commit: efbd33aff93d875af95d40db018b7911a3f87d02
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=efbd33aff93d875af95d40db018b7911a3f87d02

Author: Brian Paul <bri...@vmware.com>
Date:   Mon Jan  3 13:57:13 2011 -0700

st/mesa: fix renderbuffer pointer check in st_Clear()

Fixes http://bugs.freedesktop.org/show_bug.cgi?id=30694

NOTE: This is a candidate for the 7.9 and 7.10 branches.

---

 src/mesa/state_tracker/st_cb_clear.c |    8 ++------
 1 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/src/mesa/state_tracker/st_cb_clear.c 
b/src/mesa/state_tracker/st_cb_clear.c
index bd1dd78..6571bf2 100644
--- a/src/mesa/state_tracker/st_cb_clear.c
+++ b/src/mesa/state_tracker/st_cb_clear.c
@@ -470,13 +470,9 @@ st_Clear(struct gl_context *ctx, GLbitfield mask)
          if (mask & (1 << b)) {
             struct gl_renderbuffer *rb
                = ctx->DrawBuffer->Attachment[b].Renderbuffer;
-            struct st_renderbuffer *strb;
+            struct st_renderbuffer *strb = st_renderbuffer(rb);
 
-            assert(rb);
-
-            strb = st_renderbuffer(rb);
-
-            if (!strb->surface)
+            if (!strb || !strb->surface)
                continue;
 
             if (check_clear_color_with_quad( ctx, rb ))

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