3:24 p.m.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: aa515cdce7a151dcc14b7600d33f1414c6fa32c9
commit: b7a9e0da2d1c954b7c38217a29e002528b90d174 [2144/2798] net: switchdev: remove
vid_begin -> vid_end range from VLAN objects
config: x86_64-randconfig-a004-20210114 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project
6077d55381a6aa3e947ef7abdc36a7515c598c8a)
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
# install x86_64 cross compiling tool for clang build
# apt-get install binutils-x86-64-linux-gnu
#
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commi...
git remote add linux-next
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
git fetch --no-tags linux-next master
git checkout b7a9e0da2d1c954b7c38217a29e002528b90d174
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All warnings (new ones prefixed by >>):
>
drivers/net/ethernet/marvell/prestera/prestera_switchdev.c:1049:11: warning: variable
'vid' is uninitialized when used here [-Wuninitialized]
vid, flag_untagged,
^~~
drivers/net/ethernet/marvell/prestera/prestera_switchdev.c:1032:9: note: initialize the
variable 'vid' to silence this warning
u16 vid;
^
= 0
1 warning generated.
vim +/vid +1049 drivers/net/ethernet/marvell/prestera/prestera_switchdev.c
e1189d9a5fbec815 Vadym Kochan 2020-09-16 1020
e1189d9a5fbec815 Vadym Kochan 2020-09-16 1021 static int
prestera_port_vlans_add(struct prestera_port *port,
e1189d9a5fbec815 Vadym Kochan 2020-09-16 1022 const struct
switchdev_obj_port_vlan *vlan,
e1189d9a5fbec815 Vadym Kochan 2020-09-16 1023 struct switchdev_trans *trans,
e1189d9a5fbec815 Vadym Kochan 2020-09-16 1024 struct netlink_ext_ack *extack)
e1189d9a5fbec815 Vadym Kochan 2020-09-16 1025 {
e1189d9a5fbec815 Vadym Kochan 2020-09-16 1026 bool flag_untagged = vlan->flags
& BRIDGE_VLAN_INFO_UNTAGGED;
e1189d9a5fbec815 Vadym Kochan 2020-09-16 1027 bool flag_pvid = vlan->flags &
BRIDGE_VLAN_INFO_PVID;
e1189d9a5fbec815 Vadym Kochan 2020-09-16 1028 struct net_device *dev =
vlan->obj.orig_dev;
e1189d9a5fbec815 Vadym Kochan 2020-09-16 1029 struct prestera_bridge_port *br_port;
e1189d9a5fbec815 Vadym Kochan 2020-09-16 1030 struct prestera_switch *sw =
port->sw;
e1189d9a5fbec815 Vadym Kochan 2020-09-16 1031 struct prestera_bridge *bridge;
e1189d9a5fbec815 Vadym Kochan 2020-09-16 1032 u16 vid;
e1189d9a5fbec815 Vadym Kochan 2020-09-16 1033
e1189d9a5fbec815 Vadym Kochan 2020-09-16 1034 if (netif_is_bridge_master(dev))
e1189d9a5fbec815 Vadym Kochan 2020-09-16 1035 return 0;
e1189d9a5fbec815 Vadym Kochan 2020-09-16 1036
e1189d9a5fbec815 Vadym Kochan 2020-09-16 1037 if (switchdev_trans_ph_commit(trans))
e1189d9a5fbec815 Vadym Kochan 2020-09-16 1038 return 0;
e1189d9a5fbec815 Vadym Kochan 2020-09-16 1039
e1189d9a5fbec815 Vadym Kochan 2020-09-16 1040 br_port =
prestera_bridge_port_by_dev(sw->swdev, dev);
e1189d9a5fbec815 Vadym Kochan 2020-09-16 1041 if (WARN_ON(!br_port))
e1189d9a5fbec815 Vadym Kochan 2020-09-16 1042 return -EINVAL;
e1189d9a5fbec815 Vadym Kochan 2020-09-16 1043
e1189d9a5fbec815 Vadym Kochan 2020-09-16 1044 bridge = br_port->bridge;
e1189d9a5fbec815 Vadym Kochan 2020-09-16 1045 if (!bridge->vlan_enabled)
e1189d9a5fbec815 Vadym Kochan 2020-09-16 1046 return 0;
e1189d9a5fbec815 Vadym Kochan 2020-09-16 1047
b7a9e0da2d1c954b Vladimir Oltean 2021-01-09 1048 return
prestera_bridge_port_vlan_add(port, br_port,
e1189d9a5fbec815 Vadym Kochan 2020-09-16 @1049 vid, flag_untagged,
e1189d9a5fbec815 Vadym Kochan 2020-09-16 1050 flag_pvid, extack);
e1189d9a5fbec815 Vadym Kochan 2020-09-16 1051 }
e1189d9a5fbec815 Vadym Kochan 2020-09-16 1052
:::::: The code at line 1049 was first introduced by commit
:::::: e1189d9a5fbec8153dbe03f3589bc2baa96694e2 net: marvell: prestera: Add Switchdev
driver implementation
:::::: TO: Vadym Kochan <vadym.kochan(a)plvision.eu>
:::::: CC: David S. Miller <davem(a)davemloft.net>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org