From: Daniel Wagner <[email protected]>
This is a very common misstake. Let's help the users to
configure their system correctly.
---
gatchat/ppp_net.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/gatchat/ppp_net.c b/gatchat/ppp_net.c
index 1609b99..7082de7 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) {
+ fprintf(stderr, "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");
--
1.7.12.rc1.16.g05a20c8
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