iptuntap: avoid double open

would leak a file handle

diff --git a/ip/iptuntap.c b/ip/iptuntap.c
index 2a8aa7fc834f06de239d219d6b142359fb56b4c7..588926cf2bc1216b2419218a5d5f66725cefc854 100644 (file)
--- a/ip/iptuntap.c
+++ b/ip/iptuntap.c
@@ -47,7 +47,7 @@ static void usage(void)
 
 static int tap_add_ioctl(struct ifreq *ifr, uid_t uid, gid_t gid)
 {
-       int fd = open(TUNDEV, O_RDWR);
+       int fd;
        int ret = -1;
 
 #ifdef IFF_TUN_EXCL