* Re: [PATCH v3] net: net_failover: Fix the deadlock in slave register
[not found] <20260507074332.2543229-1-faicker.mo@gmail.com>
@ 2026-05-13 3:58 ` kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2026-05-13 3:58 UTC (permalink / raw)
To: faicker.mo
Cc: llvm, oe-kbuild-all, kuba, Sridhar Samudrala, Andrew Lunn,
Eric Dumazet, Paolo Abeni, Simon Horman, Stanislav Fomichev,
netdev, linux-kernel
Hi,
kernel test robot noticed the following build errors:
[auto build test ERROR on net-next/main]
[also build test ERROR on net/main linus/master v7.1-rc3 next-20260508]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/faicker-mo-gmail-com/net-net_failover-Fix-the-deadlock-in-slave-register/20260513-045805
base: net-next/main
patch link: https://lore.kernel.org/r/20260507074332.2543229-1-faicker.mo%40gmail.com
patch subject: [PATCH v3] net: net_failover: Fix the deadlock in slave register
config: riscv-defconfig (https://download.01.org/0day-ci/archive/20260513/202605131116.TbbaiahQ-lkp@intel.com/config)
compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project 5bac06718f502014fade905512f1d26d578a18f3)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260513/202605131116.TbbaiahQ-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202605131116.TbbaiahQ-lkp@intel.com/
All errors (new ones prefixed by >>):
>> net/core/failover.c:225:4: error: call to undeclared function 'netdev_lock_ops'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
225 | netdev_lock_ops(dev);
| ^
net/core/failover.c:225:4: note: did you mean 'netdev_lock'?
include/linux/netdevice.h:2822:20: note: 'netdev_lock' declared here
2822 | static inline void netdev_lock(struct net_device *dev)
| ^
>> net/core/failover.c:227:4: error: call to undeclared function 'netdev_unlock_ops'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
227 | netdev_unlock_ops(dev);
| ^
2 errors generated.
vim +/netdev_lock_ops +225 net/core/failover.c
213
214 static void
215 failover_existing_slave_register(struct net_device *failover_dev)
216 {
217 struct net *net = dev_net(failover_dev);
218 struct net_device *dev;
219
220 rtnl_lock();
221 for_each_netdev(net, dev) {
222 if (netif_is_failover(dev))
223 continue;
224 if (ether_addr_equal(failover_dev->perm_addr, dev->perm_addr)) {
> 225 netdev_lock_ops(dev);
226 failover_slave_register(dev);
> 227 netdev_unlock_ops(dev);
228 }
229 }
230 rtnl_unlock();
231 }
232
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] only message in thread