[PATCH] net: Fix error if some network features are disabled

[Krebs, Olaf]

If 'CONFIG_CMD_TFTPBOOT' or 'CONFIG_CMD_BOOTP' are disabled, the usage must be 
disabled, too!

Signed-off-by: Olaf Krebs <olaf.kr...@emh-metering.com>
CC: Joe Hershberger <joe.hershber...@ni.com>
---
 cmd/net.c | 6 ++++++
 net/net.c | 6 ++++--
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/cmd/net.c b/cmd/net.c
index 1b724cc570..f4f57d9e56 100644
--- a/cmd/net.c
+++ b/cmd/net.c
@@ -129,11 +129,15 @@ static void netboot_update_env(void)
                env_set("netmask", tmp);
        }
 
+#ifdef CONFIG_CMD_BOOTP
        if (net_hostname[0])
                env_set("hostname", net_hostname);
+#endif
 
+#ifdef CONFIG_CMD_BOOTP
        if (net_root_path[0])
                env_set("rootpath", net_root_path);
+#endif
 
        if (net_ip.s_addr) {
                ip_to_string(net_ip, tmp);
@@ -159,8 +163,10 @@ static void netboot_update_env(void)
                env_set("dnsip2", tmp);
        }
 #endif
+#ifdef CONFIG_CMD_BOOTP
        if (net_nis_domain[0])
                env_set("domain", net_nis_domain);
+#endif
 
 #if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_TIMEOFFSET)
        if (net_ntp_time_offset) {
diff --git a/net/net.c b/net/net.c
index 087d399a24..21f6e60e6e 100644
--- a/net/net.c
+++ b/net/net.c
@@ -454,6 +454,7 @@ restart:
                net_dev_exists = 1;
                net_boot_file_size = 0;
                switch (protocol) {
+#ifdef CONFIG_CMD_TFTPBOOT
                case TFTPGET:
 #ifdef CONFIG_CMD_TFTPPUT
                case TFTPPUT:
@@ -461,6 +462,7 @@ restart:
                        /* always use ARP to get server ethernet address */
                        tftp_start(protocol);
                        break;
+#endif
 #ifdef CONFIG_CMD_TFTPSRV
                case TFTPSRV:
                        tftp_start_server();
@@ -478,13 +480,13 @@ restart:
                        dhcp_request();         /* Basically same as BOOTP */
                        break;
 #endif
-
+#if defined(CONFIG_CMD_BOOTP)
                case BOOTP:
                        bootp_reset();
                        net_ip.s_addr = 0;
                        bootp_request();
                        break;
-
+#endif
 #if defined(CONFIG_CMD_RARP)
                case RARP:
                        rarp_try = 0;
-- 
2.20.1