draw: Fail if we fail to enable llvm when asked for it

The r300 driver requires LLVM when building and other drivers that
depend on it for all TNL, like i915g will be a lot slower without it.

Signed-off-by: Jakob Bornecrantz <wallbraker@gmail.com>
Reviewed-by: Brian Paul <brianp@vmware.com>

diff --git a/src/gallium/auxiliary/draw/draw_context.c b/src/gallium/auxiliary/draw/draw_context.c
index f4b1f8c973c83bf4e5b60b9c1a1c328d3cffba10..f6db95d756e5f56f4451d9ccbd96233f46415742 100644 (file)
--- a/src/gallium/auxiliary/draw/draw_context.c
+++ b/src/gallium/auxiliary/draw/draw_context.c
@@ -74,7 +74,7 @@ draw_create_context(struct pipe_context *pipe, boolean try_llvm,
 {
    struct draw_context *draw = CALLOC_STRUCT( draw_context );
    if (draw == NULL)
-      goto fail;
+      goto err_out;
 
 #if HAVE_LLVM
    if (try_llvm && draw_get_option_use_llvm()) {
@@ -83,20 +83,26 @@ draw_create_context(struct pipe_context *pipe, boolean try_llvm,
          draw->own_gallivm = gallivm;
       }
 
-      if (gallivm)
-         draw->llvm = draw_llvm_create(draw, gallivm);
+      if (!gallivm)
+         goto err_destroy;
+
+      draw->llvm = draw_llvm_create(draw, gallivm);
+
+      if (!draw->llvm)
+         goto err_destroy;
    }
 #endif
 
    if (!draw_init(draw))
-      goto fail;
+      goto err_destroy;
 
    draw->pipe = pipe;
 
    return draw;
 
-fail:
+err_destroy:
    draw_destroy( draw );
+err_out:
    return NULL;
 }