[Mesa-dev] [PATCH 03/14] meta: Add assertion check for ctx->Meta->SaveStackDepth

[Anuj Phogat]

before using it for derefrencing.

Signed-off-by: Anuj Phogat <anuj.phogat at gmail.com>
---
 src/mesa/drivers/common/meta.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/mesa/drivers/common/meta.c b/src/mesa/drivers/common/meta.c
index 3636ee8..65c0934 100644
--- a/src/mesa/drivers/common/meta.c
+++ b/src/mesa/drivers/common/meta.c
@@ -823,6 +823,8 @@ _mesa_meta_begin(struct gl_context *ctx, GLbitfield state)
 void
 _mesa_meta_end(struct gl_context *ctx)
 {
+   assert(ctx->Meta->SaveStackDepth > 0);
+
    struct save_state *save = &ctx->Meta->Save[ctx->Meta->SaveStackDepth - 1];
    const GLbitfield state = save->SavedState;
    int i;
-- 
1.9.3