github/n2n
4
0
Fork 0
mirror of https://github.com/ntop/n2n.git synced 2024-04-21 16:31:34 +00:00
Code Issues Packages Projects Releases Wiki Activity

Add more detailed error message when TAP open fails

Browse Source 
Closes #94
This commit is contained in:
emanuele-f
2019-04-24 01:02:36 +02:00
parent fc16352198
commit 08b992cbb7
1 changed files with 2 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
tuntap_linux.c
+2 -2
View File
@@ -78,7 +78,7 @@ int tuntap_open(tuntap_dev *device,
device->fd = open(tuntap_device, O_RDWR);
if(device->fd < 0) {
traceEvent(TRACE_ERROR, "ioctl() [%s][%d]\n", strerror(errno), errno);
traceEvent(TRACE_ERROR, "tuntap open() error: %s[%d]. Is the tun kernel module loaded?\n", strerror(errno), errno);
return -1;
}
@@ -88,7 +88,7 @@ int tuntap_open(tuntap_dev *device,
rc = ioctl(device->fd, TUNSETIFF, (void *)&ifr);
if(rc < 0) {
traceEvent(TRACE_ERROR, "ioctl() [%s][%d]\n", strerror(errno), rc);
traceEvent(TRACE_ERROR, "tuntap ioctl(TUNSETIFF, IFF_TAP) error: %s[%d]\n", strerror(errno), rc);
close(device->fd);
return -1;
}