Be slightly more verbose in error message

Including the full path is always useful.

Also use PID_FMT in one more place.

diff --git a/src/basic/cgroup-util.c b/src/basic/cgroup-util.c
index ec2c529914d32168689e2222dc5f504407ecb06b..0f4c955a01491e9e3ac0054dcb6ff36c1362ca07 100644 (file)
--- a/src/basic/cgroup-util.c
+++ b/src/basic/cgroup-util.c
@@ -845,7 +845,7 @@ int cg_attach(const char *controller, const char *path, pid_t pid) {
         if (r > 0 && streq(controller, SYSTEMD_CGROUP_CONTROLLER)) {
                 r = cg_attach(SYSTEMD_CGROUP_CONTROLLER_LEGACY, path, pid);
                 if (r < 0)
-                        log_warning_errno(r, "Failed to attach %d to compat systemd cgroup %s: %m", pid, path);
+                        log_warning_errno(r, "Failed to attach "PID_FMT" to compat systemd cgroup %s: %m", pid, path);
         }
 
         return 0;