From d261c425ff9bda57d5a9860ad1e8bedb05af41a9 Mon Sep 17 00:00:00 2001
From: Emma Anholt <emma@anholt.net>
Date: Thu, 18 May 2023 16:21:44 -0700
Subject: [PATCH] drm-shim: Avoid assertion fail if someone does close(-1).

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/23116>
---
 src/drm-shim/device.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/drm-shim/device.c b/src/drm-shim/device.c
index ddd58b14478..345d72aa653 100644
--- a/src/drm-shim/device.c
+++ b/src/drm-shim/device.c
@@ -147,6 +147,9 @@ static void handle_delete_fxn(struct hash_entry *entry)
 
 void drm_shim_fd_unregister(int fd)
 {
+   if (fd == -1)
+      return;
+
    struct hash_entry *entry =
          _mesa_hash_table_search(shim_device.fd_map, (void *)(uintptr_t)(fd + 1));
    if (!entry)