From: Dave Airlie <airlied@redhat.com>
Date: Wed, 8 Apr 2020 05:43:47 +0000 (+1000)
Subject: gallivm/draw: calloc prim id toavoid undef
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=ccc6a48ec5be0a748d77d56168ba90e2784b0a33;p=mesa.git

gallivm/draw: calloc prim id toavoid undef

Otherwise masked off channels can access random bad memory

Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4560>
---

diff --git a/src/gallium/auxiliary/draw/draw_gs.c b/src/gallium/auxiliary/draw/draw_gs.c
index 9cfec4dcf11..0cbead3f9ac 100644
--- a/src/gallium/auxiliary/draw/draw_gs.c
+++ b/src/gallium/auxiliary/draw/draw_gs.c
@@ -880,7 +880,7 @@ draw_create_geometry_shader(struct draw_context *draw,
 
       gs->llvm_emitted_primitives = align_malloc(vector_size * PIPE_MAX_VERTEX_STREAMS, vector_size);
       gs->llvm_emitted_vertices = align_malloc(vector_size * PIPE_MAX_VERTEX_STREAMS, vector_size);
-      gs->llvm_prim_ids = align_malloc(vector_size, vector_size);
+      gs->llvm_prim_ids = align_calloc(vector_size, vector_size);
 
       gs->fetch_outputs = llvm_fetch_gs_outputs;
       gs->fetch_inputs = llvm_fetch_gs_input;