net: Drop #ifdefs with CONFIG_BOOTP_SERVERIP

Use IS_ENABLED() instead, to reduce the number of build paths.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
diff --git a/cmd/net.c b/cmd/net.c
index 651c141..3619c84 100644
--- a/cmd/net.c
+++ b/cmd/net.c
@@ -152,16 +152,14 @@
 		ip_to_string(net_ip, tmp);
 		env_set("ipaddr", tmp);
 	}
-#if !defined(CONFIG_BOOTP_SERVERIP)
 	/*
 	 * Only attempt to change serverip if net/bootp.c:store_net_params()
 	 * could have set it
 	 */
-	if (net_server_ip.s_addr) {
+	if (!IS_ENABLED(CONFIG_BOOTP_SERVERIP) && net_server_ip.s_addr) {
 		ip_to_string(net_server_ip, tmp);
 		env_set("serverip", tmp);
 	}
-#endif
 	if (net_dns_server.s_addr) {
 		ip_to_string(net_dns_server, tmp);
 		env_set("dnsip", tmp);
diff --git a/net/bootp.c b/net/bootp.c
index 58e30cd..d83e4eb 100644
--- a/net/bootp.c
+++ b/net/bootp.c
@@ -148,10 +148,12 @@
 
 static void store_bootp_params(struct bootp_hdr *bp)
 {
-#if !defined(CONFIG_BOOTP_SERVERIP)
 	struct in_addr tmp_ip;
 	bool overwrite_serverip = true;
 
+	if (IS_ENABLED(CONFIG_BOOTP_SERVERIP))
+		return;
+
 #if defined(CONFIG_BOOTP_PREFER_SERVERIP)
 	overwrite_serverip = false;
 #endif
@@ -179,7 +181,6 @@
 	 */
 	if (*net_boot_file_name)
 		env_set("bootfile", net_boot_file_name);
-#endif
 }
 
 /*
diff --git a/net/net.c b/net/net.c
index 43e230a..072a82d 100644
--- a/net/net.c
+++ b/net/net.c
@@ -302,12 +302,12 @@
 	if (s != NULL && strcmp(s, "NFS") == 0) {
 		if (net_check_prereq(NFS)) {
 /* We aren't expecting to get a serverip, so just accept the assigned IP */
-#ifdef CONFIG_BOOTP_SERVERIP
-			net_set_state(NETLOOP_SUCCESS);
-#else
-			printf("Cannot autoload with NFS\n");
-			net_set_state(NETLOOP_FAIL);
-#endif
+			if (IS_ENABLED(CONFIG_BOOTP_SERVERIP)) {
+				net_set_state(NETLOOP_SUCCESS);
+			} else {
+				printf("Cannot autoload with NFS\n");
+				net_set_state(NETLOOP_FAIL);
+			}
 			return;
 		}
 		/*
@@ -327,12 +327,12 @@
 	}
 	if (net_check_prereq(TFTPGET)) {
 /* We aren't expecting to get a serverip, so just accept the assigned IP */
-#ifdef CONFIG_BOOTP_SERVERIP
-		net_set_state(NETLOOP_SUCCESS);
-#else
-		printf("Cannot autoload with TFTPGET\n");
-		net_set_state(NETLOOP_FAIL);
-#endif
+		if (IS_ENABLED(CONFIG_BOOTP_SERVERIP)) {
+			net_set_state(NETLOOP_SUCCESS);
+		} else {
+			printf("Cannot autoload with TFTPGET\n");
+			net_set_state(NETLOOP_FAIL);
+		}
 		return;
 	}
 	tftp_start(TFTPGET);