From: Jeremy Kerr <jk@ozlabs.org>
Date: Mon, 7 Apr 2014 00:58:57 +0000 (+0800)
Subject: ui/ncurses: clear DNS server setting before appending new servers
X-Git-Tag: v1.0.0~198
X-Git-Url: http://git.ozlabs.org/?p=petitboot;a=commitdiff_plain;h=0dd467aef0f1e104faf8ad5b1d4deaaf71732278;hp=ae3c354e844698bdb4ed35a6845aa9dca1e9205f;ds=sidebyside

ui/ncurses: clear DNS server setting before appending new servers

Currently, we have a bug where newly-configured DNS servers are appended
to the existing set of servers, rather than replacing them.

This change clears the existing servers out before adding the
newly-configured ones.

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
---

diff --git a/ui/ncurses/nc-config.c b/ui/ncurses/nc-config.c
index 64d0619..f4fa073 100644
--- a/ui/ncurses/nc-config.c
+++ b/ui/ncurses/nc-config.c
@@ -249,6 +249,10 @@ static int screen_process_form(struct config_screen *screen)
 	}
 
 	str = widget_textbox_get_value(screen->widgets.dns_f);
+	talloc_free(config->network.dns_servers);
+	config->network.dns_servers = NULL;
+	config->network.n_dns_servers = 0;
+
 	if (str && strlen(str)) {
 		char *dns, *tmp;
 		int i;