tree-wide: always invoke setmntent() with "re" mode

Let's make sure O_CLOEXEC is set for the file descriptor.

3 files changed, 3 insertions, 3 deletions

diff --git a/src/cryptsetup/cryptsetup.c b/src/cryptsetup/cryptsetup.c
index c7fec609df..b3abbb8b2f 100644
--- a/src/cryptsetup/cryptsetup.c
+++ b/src/cryptsetup/cryptsetup.c
@@ -310,7 +310,7 @@ static char *disk_mount_point(const char *label) {
         if (asprintf(&device, "/dev/mapper/%s", label) < 0)
                 return NULL;
 
-        f = setmntent("/etc/fstab", "r");
+        f = setmntent("/etc/fstab", "re");
         if (!f)
                 return NULL;
 
diff --git a/src/remount-fs/remount-fs.c b/src/remount-fs/remount-fs.c
index c3bdcaf1da..0cb9bd9261 100644
--- a/src/remount-fs/remount-fs.c
+++ b/src/remount-fs/remount-fs.c
@@ -56,7 +56,7 @@ int main(int argc, char *argv[]) {
 
         umask(0022);
 
-        f = setmntent("/etc/fstab", "r");
+        f = setmntent("/etc/fstab", "re");
         if (!f) {
                 if (errno == ENOENT) {
                         r = 0;
diff --git a/src/shared/fstab-util.c b/src/shared/fstab-util.c
index f0bfb30bb5..87b520b540 100644
--- a/src/shared/fstab-util.c
+++ b/src/shared/fstab-util.c
@@ -38,7 +38,7 @@ bool fstab_is_mount_point(const char *mount) {
         _cleanup_endmntent_ FILE *f = NULL;
         struct mntent *m;
 
-        f = setmntent("/etc/fstab", "r");
+        f = setmntent("/etc/fstab", "re");
         if (!f)
                 return false;