huaweimodem: Use network interface from modem for GPRS context

diff --git a/drivers/huaweimodem/gprs-context.c b/drivers/huaweimodem/gprs-context.c
index db697db..3acd90c 100644 (file)
--- a/drivers/huaweimodem/gprs-context.c
+++ b/drivers/huaweimodem/gprs-context.c
@@ -28,7 +28,6 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <errno.h>
-#include <sys/stat.h>
 
 #include <glib.h>
 
@@ -42,8 +41,6 @@
 
 #include "huaweimodem.h"
 
-#define TUN_SYSFS_DIR "/sys/devices/virtual/misc/tun"
-
 static const char *none_prefix[] = { NULL };
 static const char *dhcp_prefix[] = { "^DHCP:", NULL };
 
@@ -100,6 +97,7 @@ static void dhcp_query_cb(gboolean ok, GAtResult *result, gpointer user_data)
        struct ofono_gprs_context *gc = user_data;
        struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
        GAtResultIter iter;
+       struct ofono_modem *modem;
        const char *interface;
        char *ip = NULL;
        char *netmask = NULL;
@@ -136,7 +134,8 @@ static void dhcp_query_cb(gboolean ok, GAtResult *result, gpointer user_data)
        ofono_info("IP: %s  Gateway: %s", ip, gateway);
        ofono_info("DNS: %s, %s", dns1, dns2);
 
-       interface = "invalid";
+       modem = ofono_gprs_context_get_modem(gc);
+       interface = ofono_modem_get_string(modem, "NetworkInterface");
 
        ofono_gprs_context_set_interface(gc, interface);
        ofono_gprs_context_set_ipv4_address(gc, ip, TRUE);
@@ -314,15 +313,9 @@ static int huawei_gprs_context_probe(struct ofono_gprs_context *gc,
 {
        GAtChat *chat = data;
        struct gprs_context_data *gcd;
-       struct stat st;
 
        DBG("");
 
-       if (stat(TUN_SYSFS_DIR, &st) < 0) {
-               ofono_error("Missing support for TUN/TAP devices");
-               return -ENODEV;
-       }
-
        gcd = g_try_new0(struct gprs_context_data, 1);
        if (gcd == NULL)
                return -ENOMEM;