Hi Stephen, [auto build test WARNING on net-next/master] url: https://github.com/0day-ci/linux/commits/Stephen-Hemminger/net-make-dev_close-void/20170720-090123 config: x86_64-randconfig-a0-07211734 (attached as .config) compiler: gcc-4.4 (Debian 4.4.7-8) 4.4.7 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All warnings (new ones prefixed by >>): net/bluetooth/6lowpan.c: In function 'ifdown': >> net/bluetooth/6lowpan.c:621: warning: unused variable 'err' vim +/err +621 net/bluetooth/6lowpan.c 18722c24 Jukka Rissanen 2013-12-11 618 7f118253 Jukka Rissanen 2014-06-18 619 static void ifdown(struct net_device *netdev) 7f118253 Jukka Rissanen 2014-06-18 620 { 7f118253 Jukka Rissanen 2014-06-18 @621 int err; 7f118253 Jukka Rissanen 2014-06-18 622 7f118253 Jukka Rissanen 2014-06-18 623 rtnl_lock(); ca74f73e Stephen Hemminger 2017-07-18 624 dev_close(netdev); 7f118253 Jukka Rissanen 2014-06-18 625 rtnl_unlock(); 7f118253 Jukka Rissanen 2014-06-18 626 } 7f118253 Jukka Rissanen 2014-06-18 627 :::::: The code at line 621 was first introduced by commit :::::: 7f118253820fc3ad38659485adb3ebdfe64820e1 Bluetooth: 6LoWPAN: Remove network devices when unloading :::::: TO: Jukka Rissanen <jukka.rissanen@xxxxxxxxxxxxxxx> :::::: CC: Marcel Holtmann <marcel@xxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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