diff options
| author | Daniel Wagner <daniel.wagner@bmw-carit.de> | 2012-08-24 14:16:39 +0200 |
|---|---|---|
| committer | Denis Kenzior <denkenz@gmail.com> | 2012-08-30 17:06:09 -0500 |
| commit | ef7a4bc3a76af66009cd8ba622627ca641bfc4b8 (patch) | |
| tree | 6c5dc7ec9a04481f1bb320246f2189a45cd73c5a /gatchat | |
| parent | 50d6f2c6077bbdb02e90bea208d49621cd86c6fa (diff) | |
| download | ofono-ef7a4bc3a76af66009cd8ba622627ca641bfc4b8.tar.bz2 | |
gatchat: Print error message if opening tun failes
This is a very common mistake. Let's help the users to
configure their system correctly.
Diffstat (limited to 'gatchat')
| -rw-r--r-- | gatchat/ppp_net.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/gatchat/ppp_net.c b/gatchat/ppp_net.c index 1609b99e..813ed9b5 100644 --- a/gatchat/ppp_net.c +++ b/gatchat/ppp_net.c @@ -155,8 +155,12 @@ struct ppp_net *ppp_net_new(GAtPPP *ppp, int fd) if (fd < 0) { /* open a tun interface */ fd = open("/dev/net/tun", O_RDWR); - if (fd < 0) + if (fd < 0) { + ppp_debug(ppp, "Couldn't open tun device. " + "Do you run oFono as root and do you " + "have the TUN module loaded?"); goto error; + } ifr.ifr_flags = IFF_TUN | IFF_NO_PI; strcpy(ifr.ifr_name, "ppp%d"); |