[PMTUd] make PMTUd force_run notification more quiet

Signed-off-by: Fabio M. Di Nitto <fdinitto@redhat.com>

diff --git a/libknet/transport_udp.c b/libknet/transport_udp.c
index aec42d07f49f97f55aaae40fb86bc884c91fcb65..d793c9b77ce937c35b865d84ced1df69b2879bca 100644 (file)
--- a/libknet/transport_udp.c
+++ b/libknet/transport_udp.c
@@ -347,8 +347,10 @@ static int read_errs_from_sock(knet_handle_t knet_h, int sockfd)
                                                                 */
                                                                if (!pthread_mutex_trylock(&knet_h->pmtud_mutex)) {
                                                                        if (!knet_h->pmtud_running) {
-                                                                               log_debug(knet_h, KNET_SUB_TRANSP_UDP, "Notifying PMTUd to rerun");
-                                                                               knet_h->pmtud_forcerun = 1;
+                                                                               if (!knet_h->pmtud_forcerun) {
+                                                                                       log_debug(knet_h, KNET_SUB_TRANSP_UDP, "Notifying PMTUd to rerun");
+                                                                                       knet_h->pmtud_forcerun = 1;
+                                                                               }
                                                                        }
                                                                        pthread_mutex_unlock(&knet_h->pmtud_mutex);
                                                                }