network: return 1 on start and 0 if ipv4ll is already started

[thirdparty/systemd.git] / src / libsystemd-network / sd-ipv4ll.c

diff --git a/src/libsystemd-network/sd-ipv4ll.c b/src/libsystemd-network/sd-ipv4ll.c
index fa9b4f60397676a0dc2aeead8ca9679361aae543..4f4d9ebe87719add28630b590dcc4057f4d61349 100644 (file)
--- a/src/libsystemd-network/sd-ipv4ll.c
+++ b/src/libsystemd-network/sd-ipv4ll.c
@@ -241,7 +241,7 @@ static int ipv4ll_start_internal(sd_ipv4ll *ll, bool reset_generation) {
                 picked_address = true;
         }
 
-        r = sd_ipv4acd_start(ll->acd);
+        r = sd_ipv4acd_start(ll->acd, reset_generation);
         if (r < 0) {
 
                 /* We couldn't start? If so, let's forget the picked address again, the user might make a change and
@@ -252,12 +252,14 @@ static int ipv4ll_start_internal(sd_ipv4ll *ll, bool reset_generation) {
                 return r;
         }
 
-        return 0;
+        return 1;
 }
 
 int sd_ipv4ll_start(sd_ipv4ll *ll) {
         assert_return(ll, -EINVAL);
-        assert_return(sd_ipv4ll_is_running(ll) == 0, -EBUSY);
+
+        if (sd_ipv4ll_is_running(ll))
+                return 0;
 
         return ipv4ll_start_internal(ll, true);
 }