diff --git a/man/systemd-nspawn.xml b/man/systemd-nspawn.xml
index 3951e32e8f..b741a1fff9 100644
--- a/man/systemd-nspawn.xml
+++ b/man/systemd-nspawn.xml
@@ -1075,14 +1075,17 @@
     <example>
       <title>Build and boot a minimal Fedora distribution in a container</title>
 
-      <programlisting># dnf -y --releasever=25 --installroot=/srv/mycontainer \
+      <programlisting># dnf -y --releasever=27 --installroot=/var/lib/machines/f27container \
       --disablerepo='*' --enablerepo=fedora --enablerepo=updates install \
       systemd passwd dnf fedora-release vim-minimal
-# systemd-nspawn -bD /srv/mycontainer</programlisting>
+# systemd-nspawn -bD /var/lib/machines/f27container</programlisting>
 
       <para>This installs a minimal Fedora distribution into the
-      directory <filename noindex='true'>/srv/mycontainer/</filename>
-      and then boots an OS in a namespace container in it.</para>
+      directory <filename noindex='true'>/var/lib/machines/f27container</filename>
+      and then boots an OS in a namespace container in it. Because the installation
+      is located underneath the standard <filename>/var/lib/machines/</filename>
+      directory, it is also possible to start the machine using
+      <command>systemd-nspawn -M f27container</command>.</para>
     </example>
 
     <example>
diff --git a/meson.build b/meson.build
index e394ee5eee..34eed35190 100644
--- a/meson.build
+++ b/meson.build
@@ -462,7 +462,6 @@ endif
 #####################################################################
 
 sed = find_program('sed')
-grep = find_program('grep')
 awk = find_program('awk')
 m4 = find_program('m4')
 stat = find_program('stat')
diff --git a/src/basic/util.c b/src/basic/util.c
index 687de40993..37fbfbf97f 100644
--- a/src/basic/util.c
+++ b/src/basic/util.c
@@ -177,15 +177,12 @@ int block_get_whole_disk(dev_t d, dev_t *ret) {
 }
 
 bool kexec_loaded(void) {
-       bool loaded = false;
-       char *s;
+       _cleanup_free_ char *s = NULL;
 
-       if (read_one_line_file("/sys/kernel/kexec_loaded", &s) >= 0) {
-               if (s[0] == '1')
-                       loaded = true;
-               free(s);
-       }
-       return loaded;
+       if (read_one_line_file("/sys/kernel/kexec_loaded", &s) < 0)
+               return false;
+
+       return s[0] == '1';
 }
 
 int prot_from_flags(int flags) {
diff --git a/src/login/logind-user.c b/src/login/logind-user.c
index dcf367e22d..a90db3b33c 100644
--- a/src/login/logind-user.c
+++ b/src/login/logind-user.c
@@ -425,12 +425,11 @@ static int user_start_service(User *u) {
                         u->service,
                         &error,
                         &job);
-        if (r < 0) {
+        if (r < 0)
                 /* we don't fail due to this, let's try to continue */
                 log_error_errno(r, "Failed to start user service, ignoring: %s", bus_error_message(&error, r));
-        } else {
+        else
                 u->service_job = job;
-        }
 
         return 0;
 }
diff --git a/src/rfkill/rfkill.c b/src/rfkill/rfkill.c
index 3aa468f40b..c14b5ea3ee 100644
--- a/src/rfkill/rfkill.c
+++ b/src/rfkill/rfkill.c
@@ -88,7 +88,8 @@ static int find_device(
 
         device = udev_device_new_from_subsystem_sysname(udev, "rfkill", sysname);
         if (!device)
-                return log_full_errno(errno == ENOENT ? LOG_DEBUG : LOG_ERR, errno, "Failed to open device: %m");
+                return log_full_errno(errno == ENOENT ? LOG_DEBUG : LOG_ERR, errno,
+                                      "Failed to open device %s: %m", sysname);
 
         name = udev_device_get_sysattr_value(device, "name");
         if (!name) {
@@ -146,7 +147,8 @@ static int wait_for_initialized(
         /* Check again, maybe things changed */
         d = udev_device_new_from_subsystem_sysname(udev, "rfkill", sysname);
         if (!d)
-                return log_full_errno(errno == ENOENT ? LOG_DEBUG : LOG_ERR, errno, "Failed to open device: %m");
+                return log_full_errno(errno == ENOENT ? LOG_DEBUG : LOG_ERR, errno,
+                                      "Failed to open device %s: %m", sysname);
 
         if (udev_device_get_is_initialized(d) != 0) {
                 *ret = d;