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Subjectdrivers/net/ethernet/mellanox/mlx5/core/en/qos.c:364:40: sparse: sparse: incorrect type in initializer (different address spaces)
tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 45d3291c5201fced351e62d714e2912400cc7f4d
commit: d636fc5dd692c8f4e00ae6e0359c0eceeb5d9bdb net: sched: add rcu annotations around qdisc->qdisc_sleeping
date: 5 months ago
config: i386-randconfig-063-20231022 (https://download.01.org/0day-ci/archive/20231022/202310220647.PkybxdJH-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231022/202310220647.PkybxdJH-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/202310220647.PkybxdJH-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/net/ethernet/mellanox/mlx5/core/en/qos.c:364:40: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct Qdisc *qdisc @@ got struct Qdisc [noderef] __rcu *qdisc_sleeping @@
drivers/net/ethernet/mellanox/mlx5/core/en/qos.c:364:40: sparse: expected struct Qdisc *qdisc
drivers/net/ethernet/mellanox/mlx5/core/en/qos.c:364:40: sparse: got struct Qdisc [noderef] __rcu *qdisc_sleeping

vim +364 drivers/net/ethernet/mellanox/mlx5/core/en/qos.c

214baf22870cfa Maxim Mikityanskiy 2021-01-19 360
462b0059993696 Moshe Tal 2022-05-02 361 void mlx5e_reset_qdisc(struct net_device *dev, u16 qid)
214baf22870cfa Maxim Mikityanskiy 2021-01-19 362 {
214baf22870cfa Maxim Mikityanskiy 2021-01-19 363 struct netdev_queue *dev_queue = netdev_get_tx_queue(dev, qid);
214baf22870cfa Maxim Mikityanskiy 2021-01-19 @364 struct Qdisc *qdisc = dev_queue->qdisc_sleeping;
214baf22870cfa Maxim Mikityanskiy 2021-01-19 365
214baf22870cfa Maxim Mikityanskiy 2021-01-19 366 if (!qdisc)
214baf22870cfa Maxim Mikityanskiy 2021-01-19 367 return;
214baf22870cfa Maxim Mikityanskiy 2021-01-19 368
214baf22870cfa Maxim Mikityanskiy 2021-01-19 369 spin_lock_bh(qdisc_lock(qdisc));
214baf22870cfa Maxim Mikityanskiy 2021-01-19 370 qdisc_reset(qdisc);
214baf22870cfa Maxim Mikityanskiy 2021-01-19 371 spin_unlock_bh(qdisc_lock(qdisc));
214baf22870cfa Maxim Mikityanskiy 2021-01-19 372 }
214baf22870cfa Maxim Mikityanskiy 2021-01-19 373

:::::: The code at line 364 was first introduced by commit
:::::: 214baf22870cfa437522f3bd4fbae56338674b04 net/mlx5e: Support HTB offload

:::::: TO: Maxim Mikityanskiy <maximmi@mellanox.com>
:::::: CC: Jakub Kicinski <kuba@kernel.org>

--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

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