Hi Jason, I love your patch! Perhaps something to improve:
[auto build test WARNING on net-next/master] url: https://github.com/0day-ci/linux/commits/Jason-Wang/XDP-transmission-for-tuntap/20180101-105946 reproduce: # apt-get install sparse make ARCH=x86_64 allmodconfig make C=1 CF=-D__CHECK_ENDIAN__ sparse warnings: (new ones prefixed by >>) vim +1274 drivers/net/tun.c 1270 1271 static void tun_xdp_flush(struct net_device *dev) 1272 { 1273 struct tun_struct *tun = netdev_priv(dev); > 1274 struct tun_file *tfile = tun->tfiles[0]; 1275 1276 /* Notify and wake up reader process */ 1277 if (tfile->flags & TUN_FASYNC) 1278 kill_fasync(&tfile->fasync, SIGIO, POLL_IN); 1279 tfile->socket.sk->sk_data_ready(tfile->socket.sk); 1280 } 1281 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
