core: don't complain about systemd.journald.xxx kernel command line arguments in...

https://bugzilla.redhat.com/show_bug.cgi?id=880025

diff --git a/src/core/main.c b/src/core/main.c
index 2bbea7ec2f153d8bbb9e6cedde01929e1927e7f9..1c2453c9b1871e21fcf781e7849e14e80a93b2be 100644 (file)
--- a/src/core/main.c
+++ b/src/core/main.c
@@ -375,26 +375,37 @@ static int parse_proc_cmdline_word(const char *word) {
         } else if (startswith(word, "systemd.") ||
                    (in_initrd() && startswith(word, "rd.systemd."))) {
 
-                log_warning("Unknown kernel switch %s. Ignoring.", word);
-
-                log_info("Supported kernel switches:\n"
-                         "systemd.unit=UNIT                        Default unit to start\n"
-                         "rd.systemd.unit=UNIT                     Default unit to start when run in initrd\n"
-                         "systemd.dump_core=0|1                    Dump core on crash\n"
-                         "systemd.crash_shell=0|1                  Run shell on crash\n"
-                         "systemd.crash_chvt=N                     Change to VT #N on crash\n"
-                         "systemd.confirm_spawn=0|1                Confirm every process spawn\n"
-                         "systemd.show_status=0|1                  Show status updates on the console during bootup\n"
-                         "systemd.log_target=console|kmsg|journal|journal-or-kmsg|syslog|syslog-or-kmsg|null\n"
-                         "                                         Log target\n"
-                         "systemd.log_level=LEVEL                  Log level\n"
-                         "systemd.log_color=0|1                    Highlight important log messages\n"
-                         "systemd.log_location=0|1                 Include code location in log messages\n"
-                         "systemd.default_standard_output=null|tty|syslog|syslog+console|kmsg|kmsg+console|journal|journal+console\n"
-                         "                                         Set default log output for services\n"
-                         "systemd.default_standard_error=null|tty|syslog|syslog+console|kmsg|kmsg+console|journal|journal+console\n"
-                         "                                         Set default log error output for services\n"
-                         "systemd.setenv=ASSIGNMENT                Set an environment variable for all spawned processes\n");
+                const char *c;
+
+                /* Ignore systemd.journald.xyz and friends */
+                c = word;
+                if (startswith(c, "rd."))
+                        c += 3;
+                if (startswith(c, "systemd."))
+                        c += 8;
+                if (c[strcspn(c, ".=")] != '.')  {
+
+                        log_warning("Unknown kernel switch %s. Ignoring.", word);
+
+                        log_info("Supported kernel switches:\n"
+                                 "systemd.unit=UNIT                        Default unit to start\n"
+                                 "rd.systemd.unit=UNIT                     Default unit to start when run in initrd\n"
+                                 "systemd.dump_core=0|1                    Dump core on crash\n"
+                                 "systemd.crash_shell=0|1                  Run shell on crash\n"
+                                 "systemd.crash_chvt=N                     Change to VT #N on crash\n"
+                                 "systemd.confirm_spawn=0|1                Confirm every process spawn\n"
+                                 "systemd.show_status=0|1                  Show status updates on the console during bootup\n"
+                                 "systemd.log_target=console|kmsg|journal|journal-or-kmsg|syslog|syslog-or-kmsg|null\n"
+                                 "                                         Log target\n"
+                                 "systemd.log_level=LEVEL                  Log level\n"
+                                 "systemd.log_color=0|1                    Highlight important log messages\n"
+                                 "systemd.log_location=0|1                 Include code location in log messages\n"
+                                 "systemd.default_standard_output=null|tty|syslog|syslog+console|kmsg|kmsg+console|journal|journal+console\n"
+                                 "                                         Set default log output for services\n"
+                                 "systemd.default_standard_error=null|tty|syslog|syslog+console|kmsg|kmsg+console|journal|journal+console\n"
+                                 "                                         Set default log error output for services\n"
+                                 "systemd.setenv=ASSIGNMENT                Set an environment variable for all spawned processes\n");
+                }
 
         } else if (streq(word, "quiet"))
                 arg_show_status = false;