From 543b54a34e2c709c2c4d09a29a0d2676b1bb2c1f Mon Sep 17 00:00:00 2001
From: Denis Kenzior <denkenz@gmail.com>
Date: Wed, 11 May 2011 13:24:04 -0500
Subject: [PATCH] gprs: Make sure to clean up interfaces

When going down, it is sometimes possible for us not to ifconfig down
the interface or reset the MMS context IPv4 address propertly
---
 src/gprs.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/gprs.c b/src/gprs.c
index 0c709ad6..9d6e8297 100644
--- a/src/gprs.c
+++ b/src/gprs.c
@@ -1362,6 +1362,16 @@ static gboolean context_dbus_unregister(struct pri_context *ctx)
 	DBusConnection *conn = ofono_dbus_get_connection();
 	char path[256];
 
+	if (ctx->active == TRUE) {
+		const char *interface =
+			ctx->context_driver->settings->interface;
+
+		if (ctx->type == OFONO_GPRS_CONTEXT_TYPE_MMS)
+			pri_set_ipv4_addr(interface, NULL);
+
+		pri_ifupdown(interface, FALSE);
+	}
+
 	strcpy(path, ctx->path);
 	idmap_put(ctx->gprs->pid_map, ctx->id);