diff options
Diffstat (limited to 'src/linux/tun.c')
| -rw-r--r-- | src/linux/tun.c | 24 |
1 files changed, 10 insertions, 14 deletions
diff --git a/src/linux/tun.c b/src/linux/tun.c index da623ae..a6d0d4b 100644 --- a/src/linux/tun.c +++ b/src/linux/tun.c @@ -62,16 +62,12 @@ void tun_init(tun_device_t** dev, const char* dev_name, const char* dev_type, co return; tun_conf(*dev, dev_name, dev_type, ifcfg_lp, ifcfg_rnmp, 1400); + (*dev)->actual_name_ = NULL; (*dev)->fd_ = open(DEFAULT_DEVICE, O_RDWR); if((*dev)->fd_ < 0) { log_printf(ERR, "can't open device file (%s): %m", DEFAULT_DEVICE); - if((*dev)->local_) - free((*dev)->local_); - if((*dev)->remote_netmask_) - free((*dev)->remote_netmask_); - free(*dev); - *dev = NULL; + tun_close(dev); return; } @@ -88,12 +84,7 @@ void tun_init(tun_device_t** dev, const char* dev_name, const char* dev_type, co } else { log_printf(ERR, "unable to recognize type of device (tun or tap)"); - if((*dev)->local_) - free((*dev)->local_); - if((*dev)->remote_netmask_) - free((*dev)->remote_netmask_); - free(*dev); - *dev = NULL; + tun_close(dev); return; } @@ -106,8 +97,13 @@ void tun_init(tun_device_t** dev, const char* dev_name, const char* dev_type, co (*dev)->actual_name_ = strdup(ifr.ifr_name); } else { log_printf(ERR, "tun/tap device ioctl failed: %m"); - free(*dev); - *dev = NULL; + tun_close(dev); + return; + } + + if(!(*dev)->actual_name_) { + log_printf(ERR, "can't open device file: memory error"); + tun_close(dev); return; } |