From 0668b64c976ffdb781ccb4e6408b408dd28cd667 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Sun, 22 Apr 2012 15:33:43 +0200
Subject: [PATCH] mount: don't fail if fstab doesn't exist (cherry picked from
 commit e0295d2651cff034ab8200156f1ece06154b7bbc)

---
 src/core/mount.c                      |    5 +++--
 src/cryptsetup/cryptsetup.c           |    3 ++-
 src/remount-api-vfs/remount-api-vfs.c |    5 +++++
 3 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/src/core/mount.c b/src/core/mount.c
index ca63a49..3bdc20f 100644
--- a/src/core/mount.c
+++ b/src/core/mount.c
@@ -1537,8 +1537,9 @@ static int mount_load_etc_fstab(Manager *m) {
         assert(m);
 
         errno = 0;
-        if (!(f = setmntent("/etc/fstab", "r")))
-                return -errno;
+        f = setmntent("/etc/fstab", "r");
+        if (!f)
+                return errno == ENOENT ? 0 : -errno;
 
         while ((me = getmntent(f))) {
                 char *where, *what;
diff --git a/src/cryptsetup/cryptsetup.c b/src/cryptsetup/cryptsetup.c
index ac7b6d6..69901d6 100644
--- a/src/cryptsetup/cryptsetup.c
+++ b/src/cryptsetup/cryptsetup.c
@@ -190,7 +190,8 @@ static char *disk_mount_point(const char *label) {
         if (asprintf(&device, "/dev/mapper/%s", label) < 0)
                 goto finish;
 
-        if (!(f = setmntent("/etc/fstab", "r")))
+        f = setmntent("/etc/fstab", "r");
+        if (!f)
                 goto finish;
 
         while ((m = getmntent(f)))
diff --git a/src/remount-api-vfs/remount-api-vfs.c b/src/remount-api-vfs/remount-api-vfs.c
index 3e146eb..976eb06 100644
--- a/src/remount-api-vfs/remount-api-vfs.c
+++ b/src/remount-api-vfs/remount-api-vfs.c
@@ -56,6 +56,11 @@ int main(int argc, char *argv[]) {
 
         f = setmntent("/etc/fstab", "r");
         if (!f) {
+                if (errno == ENOENT) {
+                        ret = EXIT_SUCCESS;
+                        goto finish;
+                }
+
                 log_error("Failed to open /etc/fstab: %m");
                 goto finish;
         }