tools: hv: kvp_daemon: make IPv6-only-injection work

In the case the host only injects an IPv6 address, the dhcp_enabled flag is
true (it's only for IPv4 according to Hyper-V host team), but we still need to
proceed to parse the IPv6 information.

Cc: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Dexuan Cui <decui@microsoft.com>
Reviewed-By: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/tools/hv/hv_kvp_daemon.c b/tools/hv/hv_kvp_daemon.c
index 6a6432a20a1dacced175e006f36fed4265e919a2..4b3ee3521bde296d98b1eb6d49f74c026665c264 100644 (file)
--- a/tools/hv/hv_kvp_daemon.c
+++ b/tools/hv/hv_kvp_daemon.c
@@ -1308,16 +1308,17 @@ static int kvp_set_ip_info(char *if_name, struct hv_kvp_ipaddr_value *new_val)
        if (error)
                goto setval_error;
 
+       /*
+        * The dhcp_enabled flag is only for IPv4. In the case the host only
+        * injects an IPv6 address, the flag is true, but we still need to
+        * proceed to parse and pass the IPv6 information to the
+        * disto-specific script hv_set_ifconfig.
+        */
        if (new_val->dhcp_enabled) {
                error = kvp_write_file(file, "BOOTPROTO", "", "dhcp");
                if (error)
                        goto setval_error;
 
-               /*
-                * We are done!.
-                */
-               goto setval_done;
-
        } else {
                error = kvp_write_file(file, "BOOTPROTO", "", "none");
                if (error)
@@ -1345,7 +1346,6 @@ static int kvp_set_ip_info(char *if_name, struct hv_kvp_ipaddr_value *new_val)
        if (error)
                goto setval_error;
 
-setval_done:
        fclose(file);
 
        /*