manager: don't show PID for incoming signals if it is 0

1 files changed, 9 insertions, 7 deletions

diff --git a/src/manager.c b/src/manager.c
index 9fc854b661..6ddd40e873 100644
--- a/src/manager.c
+++ b/src/manager.c
@@ -2059,8 +2059,6 @@ static int manager_process_signal_fd(Manager *m) {
         assert(m);
 
         for (;;) {
-                char *p = NULL;
-
                 if ((n = read(m->signal_watch.fd, &sfsi, sizeof(sfsi))) != sizeof(sfsi)) {
 
                         if (n >= 0)
@@ -2072,13 +2070,17 @@ static int manager_process_signal_fd(Manager *m) {
                         return -errno;
                 }
 
-                if (sfsi.ssi_pid > 0)
+                if (sfsi.ssi_pid > 0) {
+                        char *p = NULL;
+
                         get_process_name(sfsi.ssi_pid, &p);
 
-                log_debug("Received SIG%s from PID %lu (%s)",
-                          strna(signal_to_string(sfsi.ssi_signo)),
-                          (unsigned long) sfsi.ssi_pid, strna(p));
-                free(p);
+                        log_debug("Received SIG%s from PID %lu (%s).",
+                                  strna(signal_to_string(sfsi.ssi_signo)),
+                                  (unsigned long) sfsi.ssi_pid, strna(p));
+                        free(p);
+                } else
+                        log_debug("Received SIG%s.", strna(signal_to_string(sfsi.ssi_signo)));
 
                 switch (sfsi.ssi_signo) {