Make pager_open() return void

38 files changed, 96 insertions, 100 deletions

diff --git a/src/analyze/analyze.c b/src/analyze/analyze.c
index c6a0f8efc3..5badbd8ca8 100644
--- a/src/analyze/analyze.c
+++ b/src/analyze/analyze.c
@@ -1051,7 +1051,7 @@ static int analyze_critical_chain(int argc, char *argv[], void *userdata) {
         }
         unit_times_hashmap = h;
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         puts("The time when unit became active or started is printed after the \"@\" character.\n"
              "The time the unit took to start is printed after the \"+\" character.\n");
@@ -1121,7 +1121,7 @@ static int analyze_blame(int argc, char *argv[], void *userdata) {
                         return table_log_add_error(r);
         }
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         return table_print(table, NULL);
 }
@@ -1349,7 +1349,7 @@ static int dump(int argc, char *argv[], void *userdata) {
         if (r < 0)
                 return bus_log_connect_error(r);
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         if (!sd_bus_can_send(bus, SD_BUS_TYPE_UNIX_FD))
                 return dump_fallback(bus);
@@ -1376,7 +1376,7 @@ static int cat_config(int argc, char *argv[], void *userdata) {
         char **arg, **list;
         int r;
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         list = strv_skip(argv, 1);
         STRV_FOREACH(arg, list) {
@@ -1523,7 +1523,7 @@ static int dump_exit_status(int argc, char *argv[], void *userdata) {
                                 return table_log_add_error(r);
                 }
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         return table_print(table, NULL);
 }
@@ -1568,7 +1568,7 @@ static int dump_capabilities(int argc, char *argv[], void *userdata) {
                 (void) table_set_sort(table, (size_t) 1);
         }
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         return table_print(table, NULL);
 }
@@ -1652,7 +1652,7 @@ static void dump_syscall_filter(const SyscallFilterSet *set) {
 static int dump_syscall_filters(int argc, char *argv[], void *userdata) {
         bool first = true;
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         if (strv_isempty(strv_skip(argv, 1))) {
                 _cleanup_set_free_ Set *kernel = NULL, *known = NULL;
@@ -1824,7 +1824,7 @@ static int dump_filesystems(int argc, char *argv[], void *userdata) {
         return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP), "Not compiled with libbpf support, sorry.");
 #endif
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         if (strv_isempty(strv_skip(argv, 1))) {
                 _cleanup_set_free_ Set *kernel = NULL, *known = NULL;
@@ -2270,7 +2270,7 @@ static int do_security(int argc, char *argv[], void *userdata) {
         if (r < 0)
                 return bus_log_connect_error(r);
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         if (arg_security_policy) {
                 r = json_parse_file(/*f=*/ NULL, arg_security_policy, /*flags=*/ 0, &policy, &line, &column);
@@ -2309,7 +2309,7 @@ static int help(int argc, char *argv[], void *userdata) {
         _cleanup_free_ char *link = NULL, *dot_link = NULL;
         int r;
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         r = terminal_urlify_man("systemd-analyze", "1", &link);
         if (r < 0)
diff --git a/src/binfmt/binfmt.c b/src/binfmt/binfmt.c
index bf1861981a..c6b8dee446 100644
--- a/src/binfmt/binfmt.c
+++ b/src/binfmt/binfmt.c
@@ -217,7 +217,7 @@ static int run(int argc, char *argv[]) {
                         return log_error_errno(r, "Failed to enumerate binfmt.d files: %m");
 
                 if (arg_cat_config) {
-                        (void) pager_open(arg_pager_flags);
+                        pager_open(arg_pager_flags);
 
                         return cat_files(NULL, files, 0);
                 }
diff --git a/src/boot/bootctl.c b/src/boot/bootctl.c
index 449eed0bed..f51fb1c0a4 100644
--- a/src/boot/bootctl.c
+++ b/src/boot/bootctl.c
@@ -1286,7 +1286,7 @@ static int verb_status(int argc, char *argv[], void *userdata) {
         r = 0; /* If we couldn't determine the path, then don't consider that a problem from here on, just show what we
                 * can show */
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         if (is_efi_boot()) {
                 static const struct {
@@ -1444,7 +1444,7 @@ static int verb_list(int argc, char *argv[], void *userdata) {
         if (config.n_entries == 0)
                 log_info("No boot loader entries found.");
         else {
-                (void) pager_open(arg_pager_flags);
+                pager_open(arg_pager_flags);
 
                 printf("Boot Loader Entries:\n");
 
diff --git a/src/busctl/busctl.c b/src/busctl/busctl.c
index 30a86234d9..85dc0bedf3 100644
--- a/src/busctl/busctl.c
+++ b/src/busctl/busctl.c
@@ -486,7 +486,7 @@ static int tree_one(sd_bus *bus, const char *service) {
                         return log_oom();
         }
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         l = set_get_strv(done);
         if (!l)
@@ -526,7 +526,7 @@ static int tree(int argc, char **argv, void *userdata) {
                 if (r < 0)
                         return log_error_errno(r, "Failed to get name list: %m");
 
-                (void) pager_open(arg_pager_flags);
+                pager_open(arg_pager_flags);
 
                 STRV_FOREACH(i, names) {
                         int q;
@@ -556,7 +556,7 @@ static int tree(int argc, char **argv, void *userdata) {
                                 printf("\n");
 
                         if (argv[2]) {
-                                (void) pager_open(arg_pager_flags);
+                                pager_open(arg_pager_flags);
                                 printf("Service %s%s%s:\n", ansi_highlight(), *i, ansi_normal());
                         }
 
@@ -979,7 +979,7 @@ static int introspect(int argc, char **argv, void *userdata) {
 
         if (arg_xml_interface) {
                 /* Just dump the received XML and finish */
-                (void) pager_open(arg_pager_flags);
+                pager_open(arg_pager_flags);
                 puts(xml);
                 return 0;
         }
@@ -1098,7 +1098,7 @@ static int introspect(int argc, char **argv, void *userdata) {
 
         typesafe_qsort(sorted, k, member_compare_funcp);
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         if (arg_legend)
                 printf("%-*s %-*s %-*s %-*s %s\n",
@@ -1358,7 +1358,7 @@ static int status(int argc, char **argv, void *userdata) {
         if (r < 0)
                 return r;
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         if (!isempty(argv[1])) {
                 r = parse_pid(argv[1], &pid);
@@ -2038,7 +2038,7 @@ static int call(int argc, char **argv, void *userdata) {
                         _cleanup_(json_variant_unrefp) JsonVariant *v = NULL;
 
                         if (arg_json_format_flags & (JSON_FORMAT_PRETTY|JSON_FORMAT_PRETTY_AUTO))
-                                (void) pager_open(arg_pager_flags);
+                                pager_open(arg_pager_flags);
 
                         r = json_transform_message(reply, &v);
                         if (r < 0)
@@ -2047,7 +2047,7 @@ static int call(int argc, char **argv, void *userdata) {
                         json_variant_dump(v, arg_json_format_flags, NULL, NULL);
 
                 } else if (arg_verbose) {
-                        (void) pager_open(arg_pager_flags);
+                        pager_open(arg_pager_flags);
 
                         r = sd_bus_message_dump(reply, stdout, 0);
                         if (r < 0)
@@ -2147,7 +2147,7 @@ static int get_property(int argc, char **argv, void *userdata) {
                         _cleanup_(json_variant_unrefp) JsonVariant *v = NULL;
 
                         if (arg_json_format_flags & (JSON_FORMAT_PRETTY|JSON_FORMAT_PRETTY_AUTO))
-                                (void) pager_open(arg_pager_flags);
+                                pager_open(arg_pager_flags);
 
                         r = json_transform_variant(reply, contents, &v);
                         if (r < 0)
@@ -2156,7 +2156,7 @@ static int get_property(int argc, char **argv, void *userdata) {
                         json_variant_dump(v, arg_json_format_flags, NULL, NULL);
 
                 } else if (arg_verbose) {
-                        (void) pager_open(arg_pager_flags);
+                        pager_open(arg_pager_flags);
 
                         r = sd_bus_message_dump(reply, stdout, SD_BUS_MESSAGE_DUMP_SUBTREE_ONLY);
                         if (r < 0)
@@ -2233,7 +2233,7 @@ static int help(void) {
         if (r < 0)
                 return log_oom();
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         printf("%s [OPTIONS...] COMMAND ...\n\n"
                "%sIntrospect the D-Bus IPC bus.%s\n"
diff --git a/src/cgls/cgls.c b/src/cgls/cgls.c
index e2c746f7e7..e5333648bf 100644
--- a/src/cgls/cgls.c
+++ b/src/cgls/cgls.c
@@ -191,8 +191,8 @@ static int run(int argc, char *argv[]) {
         if (r <= 0)
                 return r;
 
-        r = pager_open(arg_pager_flags);
-        if (r > 0 && arg_full < 0)
+        pager_open(arg_pager_flags);
+        if (arg_full < 0 && pager_have())
                 arg_full = true;
 
         if (arg_full > 0)
diff --git a/src/core/main.c b/src/core/main.c
index 129f340f6e..72dd199ddb 100644
--- a/src/core/main.c
+++ b/src/core/main.c
@@ -2902,7 +2902,7 @@ int main(int argc, char *argv[]) {
                 goto finish;
 
         if (IN_SET(arg_action, ACTION_TEST, ACTION_HELP, ACTION_DUMP_CONFIGURATION_ITEMS, ACTION_DUMP_BUS_PROPERTIES, ACTION_BUS_INTROSPECT))
-                (void) pager_open(arg_pager_flags);
+                pager_open(arg_pager_flags);
 
         if (arg_action != ACTION_RUN)
                 skip_setup = true;
diff --git a/src/coredump/coredumpctl.c b/src/coredump/coredumpctl.c
index 3f6537faee..2904de3728 100644
--- a/src/coredump/coredumpctl.c
+++ b/src/coredump/coredumpctl.c
@@ -824,7 +824,7 @@ static int dump_list(int argc, char **argv, void *userdata) {
 
                 (void) table_set_empty_string(t, "-");
         } else
-                (void) pager_open(arg_pager_flags);
+                pager_open(arg_pager_flags);
 
         /* "info" without pattern implies "-1" */
         if ((arg_rows_max == 1 && arg_reverse) || (verb_is_info && argc == 1)) {
diff --git a/src/delta/delta.c b/src/delta/delta.c
index ad6b9a195a..8f154f7680 100644
--- a/src/delta/delta.c
+++ b/src/delta/delta.c
@@ -649,7 +649,7 @@ static int run(int argc, char *argv[]) {
         else if (arg_diff)
                 arg_flags |= SHOW_OVERRIDDEN;
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         if (optind < argc) {
                 int i;
diff --git a/src/dissect/dissect.c b/src/dissect/dissect.c
index 03c1e89cc5..7b4769d1b0 100644
--- a/src/dissect/dissect.c
+++ b/src/dissect/dissect.c
@@ -379,7 +379,7 @@ static int action_dissect(DissectedImage *m, LoopDevice *d) {
         assert(d);
 
         if (arg_json_format_flags & (JSON_FORMAT_OFF|JSON_FORMAT_PRETTY|JSON_FORMAT_PRETTY_AUTO))
-                (void) pager_open(arg_pager_flags);
+                pager_open(arg_pager_flags);
 
         if (arg_json_format_flags & JSON_FORMAT_OFF)
                 printf("      Name: %s\n", basename(arg_image));
diff --git a/src/home/homectl.c b/src/home/homectl.c
index 4f1aebfe30..67a50a1ed5 100644
--- a/src/home/homectl.c
+++ b/src/home/homectl.c
@@ -613,7 +613,7 @@ static int inspect_home(int argc, char *argv[], void *userdata) {
         int r, ret = 0;
         char **items, **i;
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         r = acquire_bus(&bus);
         if (r < 0)
@@ -2020,7 +2020,7 @@ static int help(int argc, char *argv[], void *userdata) {
         _cleanup_free_ char *link = NULL;
         int r;
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         r = terminal_urlify_man("homectl", "1", &link);
         if (r < 0)
diff --git a/src/journal/journalctl.c b/src/journal/journalctl.c
index 21e76a5899..5ea996c449 100644
--- a/src/journal/journalctl.c
+++ b/src/journal/journalctl.c
@@ -327,7 +327,7 @@ static int help(void) {
         _cleanup_free_ char *link = NULL;
         int r;
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         r = terminal_urlify_man("journalctl", "1", &link);
         if (r < 0)
@@ -1445,7 +1445,7 @@ static int list_boots(sd_journal *j) {
         if (count == 0)
                 return count;
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         /* numbers are one less, but we need an extra char for the sign */
         w = DECIMAL_STR_WIDTH(count - 1) + 1;
@@ -2193,7 +2193,7 @@ int main(int argc, char *argv[]) {
                 } else {
                         bool oneline = arg_action == ACTION_LIST_CATALOG;
 
-                        (void) pager_open(arg_pager_flags);
+                        pager_open(arg_pager_flags);
 
                         if (optind < argc)
                                 r = catalog_list_items(stdout, database, oneline, argv + optind);
@@ -2586,7 +2586,7 @@ int main(int argc, char *argv[]) {
                 need_seek = true;
 
         if (!arg_follow)
-                (void) pager_open(arg_pager_flags);
+                pager_open(arg_pager_flags);
 
         if (!arg_quiet && (arg_lines != 0 || arg_follow)) {
                 usec_t start, end;
diff --git a/src/locale/localectl.c b/src/locale/localectl.c
index 7e63976dfc..8c70660312 100644
--- a/src/locale/localectl.c
+++ b/src/locale/localectl.c
@@ -193,7 +193,7 @@ static int list_locales(int argc, char **argv, void *userdata) {
         if (r < 0)
                 return log_error_errno(r, "Failed to read list of locales: %m");
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
         strv_print(l);
 
         return 0;
@@ -233,7 +233,7 @@ static int list_vconsole_keymaps(int argc, char **argv, void *userdata) {
         if (r < 0)
                 return log_error_errno(r, "Failed to read list of keymaps: %m");
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         strv_print(l);
 
@@ -362,7 +362,7 @@ static int list_x11_keymaps(int argc, char **argv, void *userdata) {
         strv_sort(list);
         strv_uniq(list);
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         strv_print(list);
         return 0;
diff --git a/src/login/inhibit.c b/src/login/inhibit.c
index ff5a5d06f5..9f82e8d7e1 100644
--- a/src/login/inhibit.c
+++ b/src/login/inhibit.c
@@ -70,7 +70,7 @@ static int print_inhibitors(sd_bus *bus) {
         _cleanup_(table_unrefp) Table *table = NULL;
         int r;
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         r = sd_bus_call_method(
                         bus,
diff --git a/src/login/loginctl.c b/src/login/loginctl.c
index 846a31012e..6f06ffdc9c 100644
--- a/src/login/loginctl.c
+++ b/src/login/loginctl.c
@@ -123,7 +123,7 @@ static int list_sessions(int argc, char *argv[], void *userdata) {
         assert(bus);
         assert(argv);
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         r = bus_call_method(bus, bus_login_mgr, "ListSessions", &error, &reply, NULL);
         if (r < 0)
@@ -197,7 +197,7 @@ static int list_users(int argc, char *argv[], void *userdata) {
         assert(bus);
         assert(argv);
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         r = bus_call_method(bus, bus_login_mgr, "ListUsers", &error, &reply, NULL);
         if (r < 0)
@@ -247,7 +247,7 @@ static int list_seats(int argc, char *argv[], void *userdata) {
         assert(bus);
         assert(argv);
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         r = bus_call_method(bus, bus_login_mgr, "ListSeats", &error, &reply, NULL);
         if (r < 0)
@@ -810,7 +810,7 @@ static int show_session(int argc, char *argv[], void *userdata) {
 
         properties = !strstr(argv[0], "status");
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         if (argc <= 1) {
                 /* If no argument is specified inspect the manager itself */
@@ -847,7 +847,7 @@ static int show_user(int argc, char *argv[], void *userdata) {
 
         properties = !strstr(argv[0], "status");
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         if (argc <= 1) {
                 /* If no argument is specified inspect the manager itself */
@@ -904,7 +904,7 @@ static int show_seat(int argc, char *argv[], void *userdata) {
 
         properties = !strstr(argv[0], "status");
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         if (argc <= 1) {
                 /* If no argument is specified inspect the manager itself */
@@ -1219,7 +1219,7 @@ static int help(int argc, char *argv[], void *userdata) {
         _cleanup_free_ char *link = NULL;
         int r;
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         r = terminal_urlify_man("loginctl", "1", &link);
         if (r < 0)
diff --git a/src/machine/machinectl.c b/src/machine/machinectl.c
index d18374dda0..9a0fbc198c 100644
--- a/src/machine/machinectl.c
+++ b/src/machine/machinectl.c
@@ -273,7 +273,7 @@ static int list_machines(int argc, char *argv[], void *userdata) {
 
         assert(bus);
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         r = bus_call_method(bus, bus_machine_mgr, "ListMachines", &error, &reply, NULL);
         if (r < 0)
@@ -352,7 +352,7 @@ static int list_images(int argc, char *argv[], void *userdata) {
 
         assert(bus);
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         r = bus_call_method(bus, bus_machine_mgr, "ListImages", &error, &reply, NULL);
         if (r < 0)
@@ -705,7 +705,7 @@ static int show_machine(int argc, char *argv[], void *userdata) {
 
         properties = !strstr(argv[0], "status");
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         if (properties && argc <= 1) {
 
@@ -1004,7 +1004,7 @@ static int show_image(int argc, char *argv[], void *userdata) {
 
         properties = !strstr(argv[0], "status");
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         if (argc <= 1) {
 
@@ -2251,7 +2251,7 @@ static int list_transfers(int argc, char *argv[], void *userdata) {
         double progress;
         int r;
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         r = bus_call_method(bus, bus_import_mgr, "ListTransfers", &error, &reply, NULL);
         if (r < 0)
@@ -2446,7 +2446,7 @@ static int help(int argc, char *argv[], void *userdata) {
         _cleanup_free_ char *link = NULL;
         int r;
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         r = terminal_urlify_man("machinectl", "1", &link);
         if (r < 0)
diff --git a/src/mount/mount-tool.c b/src/mount/mount-tool.c
index d8034202dc..ad68e8c070 100644
--- a/src/mount/mount-tool.c
+++ b/src/mount/mount-tool.c
@@ -1432,7 +1432,7 @@ static int list_devices(void) {
                 }
         }
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         r = table_print(table, NULL);
         if (r < 0)
diff --git a/src/network/networkctl.c b/src/network/networkctl.c
index 0ec01dc11e..6dd05145c9 100644
--- a/src/network/networkctl.c
+++ b/src/network/networkctl.c
@@ -810,7 +810,7 @@ static int list_links(int argc, char *argv[], void *userdata) {
         if (c < 0)
                 return c;
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         table = table_new("idx", "link", "type", "operational", "setup");
         if (!table)
@@ -2394,7 +2394,7 @@ static int link_status(int argc, char *argv[], void *userdata) {
                         return dump_link_description(strv_skip(argv, 1));
         }
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         r = sd_bus_open_system(&bus);
         if (r < 0)
@@ -2493,7 +2493,7 @@ static int link_lldp_status(int argc, char *argv[], void *userdata) {
         if (c < 0)
                 return c;
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         table = table_new("link",
                           "chassis id",
diff --git a/src/nspawn/nspawn.c b/src/nspawn/nspawn.c
index 3727d90398..a5f5a1ccc8 100644
--- a/src/nspawn/nspawn.c
+++ b/src/nspawn/nspawn.c
@@ -304,7 +304,7 @@ static int help(void) {
         _cleanup_free_ char *link = NULL;
         int r;
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         r = terminal_urlify_man("systemd-nspawn", "1", &link);
         if (r < 0)
diff --git a/src/oom/oomctl.c b/src/oom/oomctl.c
index 1836dc1014..2ffb9d4d19 100644
--- a/src/oom/oomctl.c
+++ b/src/oom/oomctl.c
@@ -16,7 +16,7 @@ static int help(int argc, char *argv[], void *userdata) {
         _cleanup_free_ char *link = NULL;
         int r;
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         r = terminal_urlify_man("oomctl", "1", &link);
         if (r < 0)
@@ -52,7 +52,7 @@ static int dump_state(int argc, char *argv[], void *userdata) {
         if (r < 0)
                 return log_error_errno(r, "Failed to connect system bus: %m");
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         r = sd_bus_call_method(
                         bus,
diff --git a/src/portable/portablectl.c b/src/portable/portablectl.c
index ec625161a4..dda6b9c1ef 100644
--- a/src/portable/portablectl.c
+++ b/src/portable/portablectl.c
@@ -333,7 +333,7 @@ static int inspect_image(int argc, char *argv[], void *userdata) {
         if (r < 0)
                 return bus_log_parse_error(r);
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         if (arg_cat) {
                 printf("%s-- OS Release: --%s\n", ansi_highlight(), ansi_normal());
@@ -1093,7 +1093,7 @@ static int help(int argc, char *argv[], void *userdata) {
         _cleanup_free_ char *link = NULL;
         int r;
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         r = terminal_urlify_man("portablectl", "1", &link);
         if (r < 0)
diff --git a/src/resolve/resolvectl.c b/src/resolve/resolvectl.c
index 99876dbdf6..20455bf7a9 100644
--- a/src/resolve/resolvectl.c
+++ b/src/resolve/resolvectl.c
@@ -1587,7 +1587,7 @@ static int status_ifindex(sd_bus *bus, int ifindex, const char *name, StatusMode
         if (r < 0)
                 return log_error_errno(r, "Failed to get link data for %i: %s", ifindex, bus_error_message(&error, r));
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         if (mode == STATUS_DNS)
                 return status_print_strv_ifindex(ifindex, name, link_info.dns_ex ?: link_info.dns);
@@ -1851,7 +1851,7 @@ static int status_global(sd_bus *bus, StatusMode mode, bool *empty_line) {
         if (r < 0)
                 return log_error_errno(r, "Failed to get global data: %s", bus_error_message(&error, r));
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         if (mode == STATUS_DNS)
                 return status_print_strv_global(global_info.dns_ex ?: global_info.dns);
diff --git a/src/shared/format-table.c b/src/shared/format-table.c
index 81a7949a7f..08e0146a91 100644
--- a/src/shared/format-table.c
+++ b/src/shared/format-table.c
@@ -2783,7 +2783,7 @@ int table_print_with_pager(
          * the table header and logs about any error. */
 
         if (json_format_flags & (JSON_FORMAT_OFF|JSON_FORMAT_PRETTY|JSON_FORMAT_PRETTY_AUTO))
-                (void) pager_open(pager_flags);
+                pager_open(pager_flags);
 
         saved_header = t->header;
         t->header = show_header;
diff --git a/src/shared/pager.c b/src/shared/pager.c
index 90c347f8c0..526cb7c6c9 100644
--- a/src/shared/pager.c
+++ b/src/shared/pager.c
@@ -83,23 +83,23 @@ static int no_quit_on_interrupt(int exe_name_fd, const char *less_opts) {
         return r;
 }
 
-int pager_open(PagerFlags flags) {
+void pager_open(PagerFlags flags) {
         _cleanup_close_pair_ int fd[2] = { -1, -1 }, exe_name_pipe[2] = { -1, -1 };
         _cleanup_strv_free_ char **pager_args = NULL;
         const char *pager, *less_opts;
         int r;
 
         if (flags & PAGER_DISABLE)
-                return 0;
+                return;
 
         if (pager_pid > 0)
-                return 1;
+                return;
 
         if (terminal_is_dumb())
-                return 0;
+                return;
 
         if (!is_main_thread())
-                return log_error_errno(SYNTHETIC_ERRNO(EPERM), "Pager invoked from wrong thread.");
+                return (void) log_error_errno(SYNTHETIC_ERRNO(EPERM), "Pager invoked from wrong thread.");
 
         pager = getenv("SYSTEMD_PAGER");
         if (!pager)
@@ -108,11 +108,11 @@ int pager_open(PagerFlags flags) {
         if (pager) {
                 pager_args = strv_split(pager, WHITESPACE);
                 if (!pager_args)
-                        return log_oom();
+                        return (void) log_oom();
 
                 /* If the pager is explicitly turned off, honour it */
                 if (strv_isempty(pager_args) || strv_equal(pager_args, STRV_MAKE("cat")))
-                        return 0;
+                        return;
         }
 
         /* Determine and cache number of columns/lines before we spawn the pager so that we get the value from the
@@ -121,11 +121,11 @@ int pager_open(PagerFlags flags) {
         (void) lines();
 
         if (pipe2(fd, O_CLOEXEC) < 0)
-                return log_error_errno(errno, "Failed to create pager pipe: %m");
+                return (void) log_error_errno(errno, "Failed to create pager pipe: %m");
 
         /* This is a pipe to feed the name of the executed pager binary into the parent */
         if (pipe2(exe_name_pipe, O_CLOEXEC) < 0)
-                return log_error_errno(errno, "Failed to create exe_name pipe: %m");
+                return (void) log_error_errno(errno, "Failed to create exe_name pipe: %m");
 
         /* Initialize a good set of less options */
         less_opts = getenv("SYSTEMD_LESS");
@@ -137,7 +137,7 @@ int pager_open(PagerFlags flags) {
         /* We set SIGINT as PR_DEATHSIG signal here, to match the "K" parameter we set in $LESS, which enables SIGINT behaviour. */
         r = safe_fork("(pager)", FORK_RESET_SIGNALS|FORK_DEATHSIG_SIGINT|FORK_RLIMIT_NOFILE_SAFE|FORK_LOG, &pager_pid);
         if (r < 0)
-                return r;
+                return;
         if (r == 0) {
                 const char *less_charset, *exe;
 
@@ -245,26 +245,22 @@ int pager_open(PagerFlags flags) {
         stored_stdout = fcntl(STDOUT_FILENO, F_DUPFD_CLOEXEC, 3);
         if (dup2(fd[1], STDOUT_FILENO) < 0) {
                 stored_stdout = safe_close(stored_stdout);
-                return log_error_errno(errno, "Failed to duplicate pager pipe: %m");
+                return (void) log_error_errno(errno, "Failed to duplicate pager pipe: %m");
         }
         stdout_redirected = true;
 
         stored_stderr = fcntl(STDERR_FILENO, F_DUPFD_CLOEXEC, 3);
         if (dup2(fd[1], STDERR_FILENO) < 0) {
                 stored_stderr = safe_close(stored_stderr);
-                return log_error_errno(errno, "Failed to duplicate pager pipe: %m");
+                return (void) log_error_errno(errno, "Failed to duplicate pager pipe: %m");
         }
         stderr_redirected = true;
 
         exe_name_pipe[1] = safe_close(exe_name_pipe[1]);
 
         r = no_quit_on_interrupt(TAKE_FD(exe_name_pipe[0]), less_opts);
-        if (r < 0)
-                return r;
         if (r > 0)
                 (void) ignore_signals(SIGINT);
-
-        return 1;
 }
 
 void pager_close(void) {
diff --git a/src/shared/pager.h b/src/shared/pager.h
index b3b1b4f6b0..9a9d4c53c3 100644
--- a/src/shared/pager.h
+++ b/src/shared/pager.h
@@ -10,7 +10,7 @@ typedef enum PagerFlags {
         PAGER_JUMP_TO_END = 1 << 1,
 } PagerFlags;
 
-int pager_open(PagerFlags flags);
+void pager_open(PagerFlags flags);
 void pager_close(void);
 bool pager_have(void) _pure_;
 
diff --git a/src/sysctl/sysctl.c b/src/sysctl/sysctl.c
index 8c452854b1..408ac3b8be 100644
--- a/src/sysctl/sysctl.c
+++ b/src/sysctl/sysctl.c
@@ -410,7 +410,7 @@ static int run(int argc, char *argv[]) {
                         return log_error_errno(r, "Failed to enumerate sysctl.d files: %m");
 
                 if (arg_cat_config) {
-                        (void) pager_open(arg_pager_flags);
+                        pager_open(arg_pager_flags);
 
                         return cat_files(NULL, files, 0);
                 }
diff --git a/src/systemctl/systemctl-edit.c b/src/systemctl/systemctl-edit.c
index 87650850fe..2503bddb96 100644
--- a/src/systemctl/systemctl-edit.c
+++ b/src/systemctl/systemctl-edit.c
@@ -54,7 +54,7 @@ int cat(int argc, char *argv[], void *userdata) {
         if (r < 0)
                 return r;
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         STRV_FOREACH(name, names) {
                 _cleanup_free_ char *fragment_path = NULL;
diff --git a/src/systemctl/systemctl-list-dependencies.c b/src/systemctl/systemctl-list-dependencies.c
index 5d19f338d8..a536240a9f 100644
--- a/src/systemctl/systemctl-list-dependencies.c
+++ b/src/systemctl/systemctl-list-dependencies.c
@@ -157,7 +157,7 @@ int list_dependencies(int argc, char *argv[], void *userdata) {
                         return log_error_errno(r, "Failed to expand names: %m");
         }
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         STRV_FOREACH(u, units) {
                 if (u != units)
diff --git a/src/systemctl/systemctl-list-jobs.c b/src/systemctl/systemctl-list-jobs.c
index a050e09c17..1a39416d39 100644
--- a/src/systemctl/systemctl-list-jobs.c
+++ b/src/systemctl/systemctl-list-jobs.c
@@ -73,7 +73,7 @@ static int output_jobs_list(sd_bus *bus, const struct job_info* jobs, unsigned n
                 return 0;
         }
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         table = table_new("job", "unit", "type", "state");
         if (!table)
@@ -168,7 +168,7 @@ int list_jobs(int argc, char *argv[], void *userdata) {
         if (r < 0)
                 return bus_log_parse_error(r);
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         return output_jobs_list(bus, jobs, c, skipped);
 }
diff --git a/src/systemctl/systemctl-list-machines.c b/src/systemctl/systemctl-list-machines.c
index 1a2f2d7153..b4eb0bd4b6 100644
--- a/src/systemctl/systemctl-list-machines.c
+++ b/src/systemctl/systemctl-list-machines.c
@@ -232,7 +232,7 @@ int list_machines(int argc, char *argv[], void *userdata) {
         if (r < 0)
                 return r;
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         typesafe_qsort(machine_infos, r, compare_machine_info);
         rc = output_machines_list(machine_infos, r);
diff --git a/src/systemctl/systemctl-list-unit-files.c b/src/systemctl/systemctl-list-unit-files.c
index fd10e7965b..a729171ded 100644
--- a/src/systemctl/systemctl-list-unit-files.c
+++ b/src/systemctl/systemctl-list-unit-files.c
@@ -255,7 +255,7 @@ int list_unit_files(int argc, char *argv[], void *userdata) {
                         return bus_log_parse_error(r);
         }
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         typesafe_qsort(units, c, compare_unit_file_list);
         r = output_unit_file_list(units, c);
diff --git a/src/systemctl/systemctl-list-units.c b/src/systemctl/systemctl-list-units.c
index 1efb569971..0c405fb7e8 100644
--- a/src/systemctl/systemctl-list-units.c
+++ b/src/systemctl/systemctl-list-units.c
@@ -221,7 +221,7 @@ int list_units(int argc, char *argv[], void *userdata) {
         if (r < 0)
                 return r;
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         if (arg_with_dependencies) {
                 _cleanup_strv_free_ char **names = NULL;
@@ -439,7 +439,7 @@ int list_sockets(int argc, char *argv[], void *userdata) {
         if (r < 0)
                 return r;
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         r = expand_unit_names(bus, strv_skip(argv, 1), ".socket", &sockets_with_suffix, NULL);
         if (r < 0)
@@ -703,7 +703,7 @@ int list_timers(int argc, char *argv[], void *userdata) {
         if (r < 0)
                 return r;
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         r = expand_unit_names(bus, strv_skip(argv, 1), ".timer", &timers_with_suffix, NULL);
         if (r < 0)
diff --git a/src/systemctl/systemctl-set-environment.c b/src/systemctl/systemctl-set-environment.c
index a19e031dd3..4c8d1acba1 100644
--- a/src/systemctl/systemctl-set-environment.c
+++ b/src/systemctl/systemctl-set-environment.c
@@ -36,7 +36,7 @@ int show_environment(int argc, char *argv[], void *userdata) {
         if (r < 0)
                 return r;
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         r = bus_get_property(bus, bus_systemd_mgr, "Environment", &error, &reply, "as");
         if (r < 0)
diff --git a/src/systemctl/systemctl-show.c b/src/systemctl/systemctl-show.c
index 6166260d10..35c1235a83 100644
--- a/src/systemctl/systemctl-show.c
+++ b/src/systemctl/systemctl-show.c
@@ -2036,7 +2036,7 @@ static int show_all(
         if (r < 0)
                 return r;
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         c = (unsigned) r;
 
@@ -2142,7 +2142,7 @@ int show(int argc, char *argv[], void *userdata) {
         if (r < 0)
                 return r;
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         /* If no argument is specified inspect the manager itself */
         if (show_mode == SYSTEMCTL_SHOW_PROPERTIES && argc <= 1)
diff --git a/src/systemctl/systemctl.c b/src/systemctl/systemctl.c
index e2a8aef114..6f76a63165 100644
--- a/src/systemctl/systemctl.c
+++ b/src/systemctl/systemctl.c
@@ -128,7 +128,7 @@ static int systemctl_help(void) {
         _cleanup_free_ char *link = NULL;
         int r;
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         r = terminal_urlify_man("systemctl", "1", &link);
         if (r < 0)
diff --git a/src/sysusers/sysusers.c b/src/sysusers/sysusers.c
index fafdef1706..106a602305 100644
--- a/src/sysusers/sysusers.c
+++ b/src/sysusers/sysusers.c
@@ -1807,7 +1807,7 @@ static int cat_config(void) {
         if (r < 0)
                 return r;
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         return cat_files(NULL, files, 0);
 }
diff --git a/src/timedate/timedatectl.c b/src/timedate/timedatectl.c
index d9767ba564..78987df8e3 100644
--- a/src/timedate/timedatectl.c
+++ b/src/timedate/timedatectl.c
@@ -315,7 +315,7 @@ static int list_timezones(int argc, char **argv, void *userdata) {
         if (r < 0)
                 return bus_log_parse_error(r);
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
         strv_print(zones);
 
         return 0;
diff --git a/src/tmpfiles/tmpfiles.c b/src/tmpfiles/tmpfiles.c
index 6b2f75e248..56a332326f 100644
--- a/src/tmpfiles/tmpfiles.c
+++ b/src/tmpfiles/tmpfiles.c
@@ -3754,7 +3754,7 @@ static int run(int argc, char *argv[]) {
         }
 
         if (arg_cat_config) {
-                (void) pager_open(arg_pager_flags);
+                pager_open(arg_pager_flags);
 
                 return cat_config(config_dirs, argv + optind);
         }
diff --git a/src/userdb/userdbctl.c b/src/userdb/userdbctl.c
index 33c8caa42f..b0ee3ce258 100644
--- a/src/userdb/userdbctl.c
+++ b/src/userdb/userdbctl.c
@@ -574,7 +574,7 @@ static int help(int argc, char *argv[], void *userdata) {
         _cleanup_free_ char *link = NULL;
         int r;
 
-        (void) pager_open(arg_pager_flags);
+        pager_open(arg_pager_flags);
 
         r = terminal_urlify_man("userdbctl", "1", &link);
         if (r < 0)