From 0648f9beb9467b15e124fd35ef7ace7b8d6c96a1 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Thu, 16 Apr 2020 12:09:48 +0200
Subject: [PATCH] errno-util: let's beef up ERRNO_IS_NOT_SUPPORTED() with
 socket not supported errors

---
 src/basic/errno-util.h       | 8 ++++++--
 src/journal/journald-audit.c | 3 ++-
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/basic/errno-util.h b/src/basic/errno-util.h
index 65a6384eeb0..0ca650f48f6 100644
--- a/src/basic/errno-util.h
+++ b/src/basic/errno-util.h
@@ -87,12 +87,16 @@ static inline bool ERRNO_IS_RESOURCE(int r) {
                       ENOMEM);
 }
 
-/* Three different errors for "operation/system call/ioctl not supported" */
+/* Seven different errors for "operation/system call/ioctl/socket feature not supported" */
 static inline bool ERRNO_IS_NOT_SUPPORTED(int r) {
         return IN_SET(abs(r),
                       EOPNOTSUPP,
                       ENOTTY,
-                      ENOSYS);
+                      ENOSYS,
+                      EAFNOSUPPORT,
+                      EPFNOSUPPORT,
+                      EPROTONOSUPPORT,
+                      ESOCKTNOSUPPORT);
 }
 
 /* Two different errors for access problems */
diff --git a/src/journal/journald-audit.c b/src/journal/journald-audit.c
index 5c31c43705b..a5a78b77469 100644
--- a/src/journal/journald-audit.c
+++ b/src/journal/journald-audit.c
@@ -2,6 +2,7 @@
 
 #include "alloc-util.h"
 #include "audit-type.h"
+#include "errno-util.h"
 #include "fd-util.h"
 #include "hexdecoct.h"
 #include "io-util.h"
@@ -512,7 +513,7 @@ int server_open_audit(Server *s) {
 
                 s->audit_fd = socket(AF_NETLINK, SOCK_RAW|SOCK_CLOEXEC|SOCK_NONBLOCK, NETLINK_AUDIT);
                 if (s->audit_fd < 0) {
-                        if (IN_SET(errno, EAFNOSUPPORT, EPROTONOSUPPORT))
+                        if (ERRNO_IS_NOT_SUPPORTED(errno))
                                 log_debug("Audit not supported in the kernel.");
                         else
                                 log_warning_errno(errno, "Failed to create audit socket, ignoring: %m");
-- 
2.47.3