[driver-core:debugfs_cleanup 102/109] net//6lowpan/core.c:51:6: error: void value not ignored as it ought to be
kbuild test robot
lkp at intel.com
Fri Jan 4 15:23:28 UTC 2019
tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git debugfs_cleanup
head: ead253d78760f569593267b87592175cc66b0f99
commit: a1e3d1d072efed7a835376d1b17c21ae9021b9a7 [102/109] 6lowpan: fix changelog
config: m68k-sun3_defconfig (attached as .config)
compiler: m68k-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout a1e3d1d072efed7a835376d1b17c21ae9021b9a7
# save the attached .config to linux build tree
GCC_VERSION=7.2.0 make.cross ARCH=m68k
All errors (new ones prefixed by >>):
net//6lowpan/core.c: In function 'lowpan_register_netdevice':
>> net//6lowpan/core.c:51:6: error: void value not ignored as it ought to be
ret = lowpan_dev_debugfs_init(dev);
^
vim +51 net//6lowpan/core.c
b1815fd9 Alexander Aring 2015-12-09 20
00f59314 Alexander Aring 2015-12-09 21 int lowpan_register_netdevice(struct net_device *dev,
00f59314 Alexander Aring 2015-12-09 22 enum lowpan_lltypes lltype)
b72f6f51 Alexander Aring 2015-08-11 23 {
5609c185 Alexander Aring 2016-02-22 24 int i, ret;
b1815fd9 Alexander Aring 2015-12-09 25
be054fc8 Patrik Flykt 2017-03-12 26 switch (lltype) {
be054fc8 Patrik Flykt 2017-03-12 27 case LOWPAN_LLTYPE_IEEE802154:
4d6a6aed Alexander Aring 2015-10-02 28 dev->addr_len = EUI64_ADDR_LEN;
be054fc8 Patrik Flykt 2017-03-12 29 break;
be054fc8 Patrik Flykt 2017-03-12 30
be054fc8 Patrik Flykt 2017-03-12 31 case LOWPAN_LLTYPE_BTLE:
be054fc8 Patrik Flykt 2017-03-12 32 dev->addr_len = ETH_ALEN;
be054fc8 Patrik Flykt 2017-03-12 33 break;
be054fc8 Patrik Flykt 2017-03-12 34 }
be054fc8 Patrik Flykt 2017-03-12 35
4d6a6aed Alexander Aring 2015-10-02 36 dev->type = ARPHRD_6LOWPAN;
4d6a6aed Alexander Aring 2015-10-02 37 dev->mtu = IPV6_MIN_MTU;
4d6a6aed Alexander Aring 2015-10-02 38
2e4d60cb Alexander Aring 2016-04-11 39 lowpan_dev(dev)->lltype = lltype;
00f59314 Alexander Aring 2015-12-09 40
2e4d60cb Alexander Aring 2016-04-11 41 spin_lock_init(&lowpan_dev(dev)->ctx.lock);
5609c185 Alexander Aring 2016-02-22 42 for (i = 0; i < LOWPAN_IPHC_CTX_TABLE_SIZE; i++)
2e4d60cb Alexander Aring 2016-04-11 43 lowpan_dev(dev)->ctx.table[i].id = i;
5609c185 Alexander Aring 2016-02-22 44
bbe5f5ce Alexander Aring 2016-06-15 45 dev->ndisc_ops = &lowpan_ndisc_ops;
bbe5f5ce Alexander Aring 2016-06-15 46
92e17ee7 Alexander Aring 2015-12-15 47 ret = register_netdevice(dev);
b1815fd9 Alexander Aring 2015-12-09 48 if (ret < 0)
b1815fd9 Alexander Aring 2015-12-09 49 return ret;
b1815fd9 Alexander Aring 2015-12-09 50
92e17ee7 Alexander Aring 2015-12-15 @51 ret = lowpan_dev_debugfs_init(dev);
b1815fd9 Alexander Aring 2015-12-09 52 if (ret < 0)
92e17ee7 Alexander Aring 2015-12-15 53 unregister_netdevice(dev);
b1815fd9 Alexander Aring 2015-12-09 54
b1815fd9 Alexander Aring 2015-12-09 55 return ret;
00f59314 Alexander Aring 2015-12-09 56 }
00f59314 Alexander Aring 2015-12-09 57 EXPORT_SYMBOL(lowpan_register_netdevice);
00f59314 Alexander Aring 2015-12-09 58
:::::: The code at line 51 was first introduced by commit
:::::: 92e17ee72a60b126263cbcd749e5da688e0198a3 6lowpan: fix debugfs interface entry name
:::::: TO: Alexander Aring <alex.aring at gmail.com>
:::::: CC: Marcel Holtmann <marcel at holtmann.org>
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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