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From 5b7b538fcd268288cea8d8b7f16f839afbf74f39 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Wed, 28 Nov 2018 12:41:44 +0100
Subject: [PATCH] mount: don't propagate errors from mount_setup_unit() further
 up

If we can't process a specific line in /proc/self/mountinfo we should
log about it (which we do), but this should not affect other lines, nor
further processing of mount units. Let's keep these failures local.

Fixes: #10874
(cherry picked from commit ba0d56f55f2073164799be714b5bd1aad94d059a)
Resolves: #1809159
---
 src/core/mount.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/src/core/mount.c b/src/core/mount.c
index 3167bd6bb1..126038c27f 100644
--- a/src/core/mount.c
+++ b/src/core/mount.c
@@ -1571,7 +1571,7 @@ fail:
 static int mount_load_proc_self_mountinfo(Manager *m, bool set_flags) {
         _cleanup_(mnt_free_tablep) struct libmnt_table *t = NULL;
         _cleanup_(mnt_free_iterp) struct libmnt_iter *i = NULL;
-        int r = 0;
+        int r;
 
         assert(m);
 
@@ -1587,7 +1587,6 @@ static int mount_load_proc_self_mountinfo(Manager *m, bool set_flags) {
         if (r < 0)
                 return log_error_errno(r, "Failed to parse /proc/self/mountinfo: %m");
 
-        r = 0;
         for (;;) {
                 const char *device, *path, *options, *fstype;
                 _cleanup_free_ const char *d = NULL, *p = NULL;
@@ -1615,12 +1614,10 @@ static int mount_load_proc_self_mountinfo(Manager *m, bool set_flags) {
 
                 (void) device_found_node(m, d, true, DEVICE_FOUND_MOUNT, set_flags);
 
-                k = mount_setup_unit(m, d, p, options, fstype, set_flags);
-                if (r == 0 && k < 0)
-                        r = k;
+                (void) mount_setup_unit(m, d, p, options, fstype, set_flags);
         }
 
-        return r;
+        return 0;
 }
 
 static void mount_shutdown(Manager *m) {