i965: make intel_batchbuffer_free() take a batchbuffer as argument

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
diff --git a/src/mesa/drivers/dri/i965/brw_context.c b/src/mesa/drivers/dri/i965/brw_context.c
index 45490a0..f248fac 100644
--- a/src/mesa/drivers/dri/i965/brw_context.c
+++ b/src/mesa/drivers/dri/i965/brw_context.c
@@ -1199,7 +1199,7 @@
       _swrast_DestroyContext(&brw->ctx);
 
    brw_fini_pipe_control(brw);
-   intel_batchbuffer_free(brw);
+   intel_batchbuffer_free(&brw->batch);
 
    drm_intel_bo_unreference(brw->throttle_batch[1]);
    drm_intel_bo_unreference(brw->throttle_batch[0]);
diff --git a/src/mesa/drivers/dri/i965/intel_batchbuffer.c b/src/mesa/drivers/dri/i965/intel_batchbuffer.c
index 9a37820..71e0ed0 100644
--- a/src/mesa/drivers/dri/i965/intel_batchbuffer.c
+++ b/src/mesa/drivers/dri/i965/intel_batchbuffer.c
@@ -99,11 +99,11 @@
 }
 
 void
-intel_batchbuffer_free(struct brw_context *brw)
+intel_batchbuffer_free(struct intel_batchbuffer *batch)
 {
-   free(brw->batch.cpu_map);
-   drm_intel_bo_unreference(brw->batch.last_bo);
-   drm_intel_bo_unreference(brw->batch.bo);
+   free(batch->cpu_map);
+   drm_intel_bo_unreference(batch->last_bo);
+   drm_intel_bo_unreference(batch->bo);
 }
 
 void
diff --git a/src/mesa/drivers/dri/i965/intel_batchbuffer.h b/src/mesa/drivers/dri/i965/intel_batchbuffer.h
index aca8fa1..d0ddf75 100644
--- a/src/mesa/drivers/dri/i965/intel_batchbuffer.h
+++ b/src/mesa/drivers/dri/i965/intel_batchbuffer.h
@@ -40,7 +40,7 @@
 
 void intel_batchbuffer_emit_render_ring_prelude(struct brw_context *brw);
 void intel_batchbuffer_init(struct brw_context *brw);
-void intel_batchbuffer_free(struct brw_context *brw);
+void intel_batchbuffer_free(struct intel_batchbuffer *batch);
 void intel_batchbuffer_save_state(struct brw_context *brw);
 void intel_batchbuffer_reset_to_saved(struct brw_context *brw);
 void intel_batchbuffer_require_space(struct brw_context *brw, GLuint sz,