server-id in ip= is not optional

The documentation suggests that server-id is an optional argument
but ip_to_var fails if it is not specified. Fix the documentation.

diff --git a/dracut.cmdline.7.xml b/dracut.cmdline.7.xml
index 9357e25a01fd48fcdffa1790ae51ecf22af918d5..87fb4ad88184b531c56b237d489c40343f481e4b 100644 (file)
--- a/dracut.cmdline.7.xml
+++ b/dracut.cmdline.7.xml
@@ -452,9 +452,9 @@ with a valid DHCP root-path.</para>
           </listitem>
         </varlistentry>
         <varlistentry>
-          <term><envar>ip=</envar><replaceable>&lt;client-IP&gt;</replaceable>:<optional>
+          <term><envar>ip=</envar><replaceable>&lt;client-IP&gt;</replaceable>:
               <replaceable>&lt;server-id&gt;</replaceable>
-            </optional>:<replaceable>&lt;gateway-IP&gt;</replaceable>:<replaceable>&lt;netmask&gt;</replaceable>:<replaceable>&lt;client_hostname&gt;</replaceable>:<replaceable>&lt;interface&gt;</replaceable>:<replaceable>{none|off}</replaceable></term>
+            :<replaceable>&lt;gateway-IP&gt;</replaceable>:<replaceable>&lt;netmask&gt;</replaceable>:<replaceable>&lt;client_hostname&gt;</replaceable>:<replaceable>&lt;interface&gt;</replaceable>:<replaceable>{none|off}</replaceable></term>
           <listitem>
             <para>explicit network configuration. If you want do define a IPv6 address, put it in brackets (e.g. [2001:DB8::1]).
 This parameter can be specified multiple times.</para>