pvr: really free memory in subpass render init

Fixes: 10b6a0d567 ("pvr: Add support for generating render pass hw setup data.")
Signed-off-by: Luigi Santivetti <luigi.santivetti@imgtec.com>
Acked-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/31679>

src/imagination/vulkan/pvr_hw_pass.c

@@ -602,9 +602,7 @@ pvr_subpass_setup_render_init(struct pvr_renderpass_context *ctx)
                                                    hw_subpass->color_initops[j],
                                                    &use_render_init);
             if (result != VK_SUCCESS) {
-               if (!first_use.tile_buffers)
-                  free(first_use.tile_buffers);
-
+               vk_free(ctx->allocator, first_use.tile_buffers);
                return result;
             }
 
@@ -622,8 +620,7 @@ pvr_subpass_setup_render_init(struct pvr_renderpass_context *ctx)
       }
    }
 
-   if (!first_use.tile_buffers)
-      free(first_use.tile_buffers);
+   vk_free(ctx->allocator, first_use.tile_buffers);
 
    return VK_SUCCESS;
 }