1 files changed, 7 insertions, 2 deletions

diff --git a/plugins-root/check_icmp.c b/plugins-root/check_icmp.c
index 3982def..9ed12ba 100644
--- a/plugins-root/check_icmp.c
+++ b/plugins-root/check_icmp.c
@@ -526,10 +526,10 @@ main(int argc, char **argv)
                                 break;
                         case 'V': /* version */
                                 print_revision (progname, NP_VERSION);
-                                exit (STATE_OK);
+                                exit (STATE_UNKNOWN);
                         case 'h': /* help */
                                 print_help ();
-                                exit (STATE_OK);
+                                exit (STATE_UNKNOWN);
                         }
                 }
         }
@@ -880,7 +880,12 @@ send_icmp_ping(int sock, struct rta_host *host)
         hdr.msg_iov = &iov;
         hdr.msg_iovlen = 1;
 
+/* MSG_CONFIRM is a linux thing and only available on linux kernels >= 2.3.15, see send(2) */
+#ifdef MSG_CONFIRM
         len = sendmsg(sock, &hdr, MSG_CONFIRM);
+#else
+        len = sendmsg(sock, &hdr, 0);
+#endif
 
         if(len < 0 || (unsigned int)len != icmp_pkt_size) {
                 if(debug) printf("Failed to send ping to %s\n",