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-rw-r--r--src/mesa/main/dlist.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/src/mesa/main/dlist.c b/src/mesa/main/dlist.c
index 4399385cc1..8513b45801 100644
--- a/src/mesa/main/dlist.c
+++ b/src/mesa/main/dlist.c
@@ -4452,7 +4452,7 @@ execute_list( GLcontext *ctx, GLuint list )
Node *n;
GLboolean done;
- if (!islist(ctx,list))
+ if (list == 0 || !islist(ctx,list))
return;
if (ctx->Driver.BeginCallList)
@@ -5354,6 +5354,11 @@ _mesa_CallList( GLuint list )
if (MESA_VERBOSE & VERBOSE_API)
_mesa_debug(ctx, "glCallList %d\n", list);
+ if (list == 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glCallList(list==0)");
+ return;
+ }
+
/* mesa_print_display_list( list ); */
save_compile_flag = ctx->CompileFlag;