From 11f5ba8bf22ea88327420b46992cd09d49412ede Mon Sep 17 00:00:00 2001
From: Kenny Levinsen <kl@kl.wtf>
Date: Thu, 19 Feb 2026 14:17:33 +0100
Subject: [PATCH] backend/drm: Close non-master drm fd on failure

If we are not able to prepare the fd for non-master usage, close the fd
before returning an error.

(cherry picked from commit 1efb216c6d85ec0d311d8e8f8ce7cf0ac0f840ae)
---
 backend/drm/drm.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/backend/drm/drm.c b/backend/drm/drm.c
index e9e4c6db2..054c24a4b 100644
--- a/backend/drm/drm.c
+++ b/backend/drm/drm.c
@@ -2085,6 +2085,7 @@ int wlr_drm_backend_get_non_master_fd(struct wlr_backend *backend) {
 
 	if (drmIsMaster(fd) && drmDropMaster(fd) < 0) {
 		wlr_log_errno(WLR_ERROR, "Failed to drop master");
+		close(fd);
 		return -1;
 	}