After previous commits, run_agent_once() can't return anything
else but EXIT_SUCCESS. Transitionally, run_agent() can't return
anything else but EXIT_SUCCESS too. There's not much value in
having these function return an integer. Make them return void.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
---
 qga/main.c | 20 ++++++++------------
 1 file changed, 8 insertions(+), 12 deletions(-)

diff --git a/qga/main.c b/qga/main.c
index 6240845f39..bcc182d64d 100644
--- a/qga/main.c
+++ b/qga/main.c
@@ -145,7 +145,7 @@ DWORD WINAPI service_ctrl_handler(DWORD ctrl, DWORD type, LPVOID data,
 DWORD WINAPI handle_serial_device_events(DWORD type, LPVOID data);
 VOID WINAPI service_main(DWORD argc, TCHAR *argv[]);
 #endif
-static int run_agent(GAState *s);
+static void run_agent(GAState *s);
 static void stop_agent(GAState *s, bool requested);
 
 static void
@@ -1521,15 +1521,13 @@ static void cleanup_agent(GAState *s)
     ga_state = NULL;
 }
 
-static int run_agent_once(GAState *s)
+static void run_agent_once(GAState *s)
 {
     g_main_loop_run(s->main_loop);
 
     if (s->channel) {
         ga_channel_free(s->channel);
     }
-
-    return EXIT_SUCCESS;
 }
 
 static void wait_for_channel_availability(GAState *s)
@@ -1553,21 +1551,17 @@ static void wait_for_channel_availability(GAState *s)
 #endif
 }
 
-static int run_agent(GAState *s)
+static void run_agent(GAState *s)
 {
-    int ret = EXIT_SUCCESS;
-
     s->force_exit = false;
 
     do {
-        ret = run_agent_once(s);
+        run_agent_once(s);
         if (s->config->retry_path && !s->force_exit) {
             g_warning("agent stopped unexpectedly, restarting...");
             wait_for_channel_availability(s);
         }
     } while (s->config->retry_path && !s->force_exit);
-
-    return ret;
 }
 
 static void stop_agent(GAState *s, bool requested)
@@ -1667,12 +1661,14 @@ int main(int argc, char **argv)
             { (char *)QGA_SERVICE_NAME, service_main }, { NULL, NULL } };
         StartServiceCtrlDispatcher(service_table);
     } else {
-        ret = run_agent(s);
+        run_agent(s);
     }
 #else
-    ret = run_agent(s);
+    run_agent(s);
 #endif
 
+    ret = EXIT_SUCCESS;
+
     cleanup_agent(s);
 
 end:
-- 
2.45.2