draw/gs: Return early if the passed geometry shader is null

Can happen if we were using stream output without geometry
shader, by returning early we avoid a crash.

Signed-off-by: Zack Rusin <[email protected]>
Reviewed-by: Jose Fonseca <[email protected]>

1 files changed, 3 insertions, 0 deletions

diff --git a/src/gallium/auxiliary/draw/draw_gs.c b/src/gallium/auxiliary/draw/draw_gs.c
index f8cb04a8f39..987c01a7919 100644
--- a/src/gallium/auxiliary/draw/draw_gs.c
+++ b/src/gallium/auxiliary/draw/draw_gs.c
@@ -788,6 +788,9 @@ void draw_bind_geometry_shader(struct draw_context *draw,
 void draw_delete_geometry_shader(struct draw_context *draw,
                                  struct draw_geometry_shader *dgs)
 {
+   if (!dgs) {
+      return;
+   }
 #ifdef HAVE_LLVM
    if (draw_get_option_use_llvm()) {
       struct llvm_geometry_shader *shader = llvm_geometry_shader(dgs);