From 1b4a0d7c1a7b11986cc9f1e26284d7caefe5b353 Mon Sep 17 00:00:00 2001
From: Peter Hutterer <peter.hutterer@who-t.net>
Date: Mon, 11 May 2026 11:46:40 +1000
Subject: [PATCH] util: handle failing memfd sealing

Assisted-by: Claude:claude-opus-4-6
Part-of: <https://gitlab.freedesktop.org/libinput/libei/-/merge_requests/388>
---
 src/util-memfile.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/util-memfile.c b/src/util-memfile.c
index ea55c46..6f5e334 100644
--- a/src/util-memfile.c
+++ b/src/util-memfile.c
@@ -63,7 +63,8 @@ memfile_new(const char *data, size_t sz)
 	if (fd < 0)
 		return NULL;
 
-	fcntl(fd, F_ADD_SEALS, F_SEAL_SHRINK);
+	if (fcntl(fd, F_ADD_SEALS, F_SEAL_SHRINK) < 0)
+		return NULL;
 
 	int rc;
 	with_signals_blocked(SIGALRM)