Mesa (radeon-rewrite): radeon: check for valid bo in release arrays

[Dave Airlie]

Module: Mesa
Branch: radeon-rewrite
Commit: f3a1f321cfa275eba6186626ee691e8bc9ecfe8c
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=f3a1f321cfa275eba6186626ee691e8bc9ecfe8c

Author: Dave Airlie <airlied at redhat.com>
Date:   Sat Feb 14 12:01:54 2009 +1000

radeon: check for valid bo in release arrays

---

 src/mesa/drivers/dri/radeon/radeon_maos_verts.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/mesa/drivers/dri/radeon/radeon_maos_verts.c b/src/mesa/drivers/dri/radeon/radeon_maos_verts.c
index bb90a7b..d468a97 100644
--- a/src/mesa/drivers/dri/radeon/radeon_maos_verts.c
+++ b/src/mesa/drivers/dri/radeon/radeon_maos_verts.c
@@ -438,7 +438,9 @@ void radeonReleaseArrays( GLcontext *ctx, GLuint newinputs )
    int i;
 
    for (i = 0; i < rmesa->tcl.nr_aos_components; i++) {
-     radeon_bo_unref(rmesa->tcl.aos[i].bo);
-     rmesa->tcl.aos[i].bo = NULL;
+      if (rmesa->tcl.aos[i].bo) {
+         radeon_bo_unref(rmesa->tcl.aos[i].bo);
+         rmesa->tcl.aos[i].bo = NULL;
+      }
    }
 }