From f8a37832df533253eda48ed9da04c5549ff0030c Mon Sep 17 00:00:00 2001
From: Christian Gmeiner <christian.gmeiner@gmail.com>
Date: Thu, 16 Sep 2021 18:52:39 +0200
Subject: [PATCH] lima: fix leak of the screen hash table

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Reviewed-by: Erico Nunes <nunes.erico@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12902>
---
 src/gallium/winsys/lima/drm/lima_drm_winsys.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/gallium/winsys/lima/drm/lima_drm_winsys.c b/src/gallium/winsys/lima/drm/lima_drm_winsys.c
index b23f1113776..9c8cd933e79 100644
--- a/src/gallium/winsys/lima/drm/lima_drm_winsys.c
+++ b/src/gallium/winsys/lima/drm/lima_drm_winsys.c
@@ -47,8 +47,14 @@ lima_drm_screen_destroy(struct pipe_screen *pscreen)
 
    mtx_lock(&lima_screen_mutex);
    destroy = --screen->refcnt == 0;
-   if (destroy)
+   if (destroy) {
       _mesa_hash_table_remove_key(fd_tab, intptr_to_pointer(fd));
+
+      if (!fd_tab->entries) {
+         _mesa_hash_table_destroy(fd_tab, NULL);
+         fd_tab = NULL;
+      }
+   }
    mtx_unlock(&lima_screen_mutex);
 
    if (destroy) {