* Re: [RFCv8 PATCH net-next 54/55] treewide: use netdev_features_copy helpers
[not found] <20220918094336.28958-55-shenjian15@huawei.com>
@ 2022-09-18 12:05 ` kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2022-09-18 12:05 UTC (permalink / raw)
To: Jian Shen; +Cc: llvm, kbuild-all
Hi Jian,
[FYI, it's a private test report for your RFC patch.]
[auto build test ERROR on net-next/master]
url: https://github.com/intel-lab-lkp/linux/commits/Jian-Shen/net-extend-the-type-of-netdev_features_t-to-bitmap/20220918-175512
base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 44a8535fb87c5503ce01121278ac3058eef701ec
config: x86_64-randconfig-a005 (https://download.01.org/0day-ci/archive/20220918/202209181949.aWxvqPnW-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/intel-lab-lkp/linux/commit/ffa4c285bdcbd69824e5b38b1d3e98b905fc17d8
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Jian-Shen/net-extend-the-type-of-netdev_features_t-to-bitmap/20220918-175512
git checkout ffa4c285bdcbd69824e5b38b1d3e98b905fc17d8
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/net/bonding/
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
In file included from drivers/net/bonding/bond_main.c:38:
In file included from include/linux/filter.h:20:
In file included from include/linux/if_vlan.h:10:
include/linux/netdevice.h:4949:6: warning: variable 'feature' is used uninitialized whenever 'if' condition is false [-Wsometimes-uninitialized]
if (classic_gso_type)
^~~~~~~~~~~~~~~~
include/linux/netdevice.h:4955:22: note: uninitialized use occurs here
return (*features & feature) == feature;
^~~~~~~
include/linux/netdevice.h:4949:2: note: remove the 'if' if its condition is always true
if (classic_gso_type)
^~~~~~~~~~~~~~~~~~~~~
include/linux/netdevice.h:4927:27: note: initialize the variable 'feature' to silence this warning
netdev_features_t feature;
^
= 0
>> drivers/net/bonding/bond_main.c:1453:23: error: use of undeclared identifier 'xfrm_features'
netdev_features_copy(xfrm_features, BOND_XFRM_FEATURES);
^
1 warning and 1 error generated.
vim +/xfrm_features +1453 drivers/net/bonding/bond_main.c
1431
1432 static void bond_compute_features(struct bonding *bond)
1433 {
1434 unsigned int dst_release_flag = IFF_XMIT_DST_RELEASE |
1435 IFF_XMIT_DST_RELEASE_PERM;
1436 netdev_features_t vlan_features;
1437 netdev_features_t enc_features;
1438 #ifdef CONFIG_XFRM_OFFLOAD
1439 netdev_features_t xfrm_features;
1440 #endif /* CONFIG_XFRM_OFFLOAD */
1441 netdev_features_t mpls_features;
1442 struct net_device *bond_dev = bond->dev;
1443 struct list_head *iter;
1444 struct slave *slave;
1445 unsigned short max_hard_header_len = ETH_HLEN;
1446 unsigned int tso_max_size = TSO_MAX_SIZE;
1447 u16 tso_max_segs = TSO_MAX_SEGS;
1448
1449 if (!bond_has_slaves(bond))
1450 goto done;
1451 netdev_features_copy(vlan_features, BOND_VLAN_FEATURES);
1452 netdev_features_copy(enc_features, BOND_ENC_FEATURES);
> 1453 netdev_features_copy(xfrm_features, BOND_XFRM_FEATURES);
1454 netdev_features_copy(mpls_features, BOND_MPLS_FEATURES);
1455 netdev_features_mask(vlan_features, NETIF_F_ALL_FOR_ALL);
1456 netdev_features_mask(mpls_features, NETIF_F_ALL_FOR_ALL);
1457
1458 bond_for_each_slave(bond, slave, iter) {
1459 netdev_increment_features(&vlan_features, &vlan_features,
1460 &slave->dev->vlan_features,
1461 &BOND_VLAN_FEATURES);
1462
1463 netdev_increment_features(&enc_features, &enc_features,
1464 &slave->dev->hw_enc_features,
1465 &BOND_ENC_FEATURES);
1466
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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[not found] <20220918094336.28958-55-shenjian15@huawei.com>
2022-09-18 12:05 ` [RFCv8 PATCH net-next 54/55] treewide: use netdev_features_copy helpers kernel test robot
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