From 24485224223b8ed41976ead5801cb04c4d961f93 Mon Sep 17 00:00:00 2001
From: Simon McVittie <smcv@collabora.com>
Date: Fri, 8 Oct 2021 19:00:13 +0100
Subject: [PATCH] Fix handling of syscalls only allowed by --devel

This was incorrectly looking at errno instead of -r.

Fixes: 0b38b0f0 "run: Handle unknown syscalls as intended"
Signed-off-by: Simon McVittie <smcv@collabora.com>
(cherry picked from commit 3fc8c672676ae016f8e7cc90481b2feecbad9861)
(cherry picked from commit 97e128c2c1520202486b5e165e1734cbb421568a)
---
 common/flatpak-run.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/common/flatpak-run.c b/common/flatpak-run.c
index 6142daafa56d..4048476bf455 100644
--- a/common/flatpak-run.c
+++ b/common/flatpak-run.c
@@ -2992,7 +2992,7 @@ setup_seccomp (FlatpakBwrap   *bwrap,
             r = seccomp_rule_add (seccomp, SCMP_ACT_ERRNO (errnum), scall, 0);
 
           /* See above for the meaning of EFAULT. */
-          if (errno == EFAULT)
+          if (r == -EFAULT)
             flatpak_debug2 ("Unable to block syscall %d: syscall not known to libseccomp?",
                             scall);
           else if (r < 0)
-- 
2.31.1