tree-wide: remove useless NULLs from strjoina

The coccinelle patch didn't work in some places, I have no idea why.

2 files changed, 3 insertions, 3 deletions

diff --git a/src/shared/bus-util.c b/src/shared/bus-util.c
index 0caaca03c7..2b86b1fcd6 100644
--- a/src/shared/bus-util.c
+++ b/src/shared/bus-util.c
@@ -2050,8 +2050,8 @@ static void log_job_error_with_service_result(const char* service, const char *r
                 _cleanup_free_ char *t;
 
                 t = strv_join((char**) extra_args, " ");
-                systemctl = strjoina("systemctl ", t ?: "<args>", NULL);
-                journalctl = strjoina("journalctl ", t ?: "<args>", NULL);
+                systemctl = strjoina("systemctl ", t ? : "<args>");
+                journalctl = strjoina("journalctl ", t ? : "<args>");
         }
 
         if (!isempty(result)) {
diff --git a/src/shared/path-lookup.c b/src/shared/path-lookup.c
index ca69a0aef2..167108ee1b 100644
--- a/src/shared/path-lookup.c
+++ b/src/shared/path-lookup.c
@@ -249,7 +249,7 @@ static int acquire_generator_dirs(
                 if (!e)
                         return -ENXIO;
 
-                prefix = strjoina(e, "/systemd/", NULL);
+                prefix = strjoina(e, "/systemd/");
                 break;
         }