diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/tun.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 6acbdbccebcd..60a1e93e9d35 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -2042,6 +2042,16 @@ static long __tun_chr_ioctl(struct file *file, unsigned int cmd, tun_detach_filter(tun, tun->numqueues); break; + case TUNGETFILTER: + ret = -EINVAL; + if ((tun->flags & TUN_TYPE_MASK) != TUN_TAP_DEV) + break; + ret = -EFAULT; + if (copy_to_user(argp, &tun->fprog, sizeof(tun->fprog))) + break; + ret = 0; + break; + default: ret = -EINVAL; break; |