kernel-pfroute: Don't report an error when trying to reinstall a route

diff --git a/src/libhydra/plugins/kernel_pfroute/kernel_pfroute_net.c b/src/libhydra/plugins/kernel_pfroute/kernel_pfroute_net.c
index 28802efd8e0eda83f3c287045a7baf45f473eb2e..0760513b8a9e8c3d2c7e1085d62567bbf5fe18b2 100644 (file)
--- a/src/libhydra/plugins/kernel_pfroute/kernel_pfroute_net.c
+++ b/src/libhydra/plugins/kernel_pfroute/kernel_pfroute_net.c
@@ -1335,6 +1335,10 @@ static status_t manage_route(private_kernel_pfroute_net_t *this, int op,
 
        if (send(this->socket, &msg, msg.hdr.rtm_msglen, 0) != msg.hdr.rtm_msglen)
        {
+               if (errno == EEXIST)
+               {
+                       return ALREADY_DONE;
+               }
                DBG1(DBG_KNL, "%s PF_ROUTE route failed: %s",
                         op == RTM_ADD ? "adding" : "deleting", strerror(errno));
                return FAILED;