From: kernel test robot <lkp@intel.com>
To: oe-kbuild@lists.linux.dev
Cc: lkp@intel.com
Subject: include/net/ip_fib.h:539:19: sparse: sparse: cast to non-scalar
Date: Wed, 24 Jul 2024 14:27:32 +0800 [thread overview]
Message-ID: <202407241429.CIWKIQVa-lkp@intel.com> (raw)
::::::
:::::: Manual check reason: "low confidence static check warning: include/net/ip_fib.h:539:19: sparse: sparse: cast to non-scalar"
::::::
BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
CC: linux-kernel@vger.kernel.org
TO: Petr Machata <petrm@nvidia.com>
CC: Jakub Kicinski <kuba@kernel.org>
CC: Ido Schimmel <idosch@nvidia.com>
CC: Nikolay Aleksandrov <razor@blackwall.org>
CC: David Ahern <dsahern@kernel.org>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 786c8248dbd33a5a7a07f7c6e55a7bfc68d2ca48
commit: 4ee2a8cace3fb9a34aea6a56426f89d26dd514f3 net: ipv4: Add a sysctl to set multipath hash seed
date: 6 weeks ago
:::::: branch date: 5 hours ago
:::::: commit date: 6 weeks ago
config: alpha-randconfig-r111-20240724 (https://download.01.org/0day-ci/archive/20240724/202407241429.CIWKIQVa-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 13.3.0
reproduce: (https://download.01.org/0day-ci/archive/20240724/202407241429.CIWKIQVa-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/r/202407241429.CIWKIQVa-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
net/ipv6/route.c:2342:39: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] flow_label @@ got restricted __be32 @@
net/ipv6/route.c:2342:39: sparse: expected unsigned int [usertype] flow_label
net/ipv6/route.c:2342:39: sparse: got restricted __be32
net/ipv6/route.c: note: in included file (through include/linux/mroute_base.h, include/linux/mroute6.h):
>> include/net/ip_fib.h:539:19: sparse: sparse: cast to non-scalar
>> include/net/ip_fib.h:539:19: sparse: sparse: cast from non-scalar
>> include/net/ip_fib.h:539:19: sparse: sparse: cast to non-scalar
>> include/net/ip_fib.h:539:19: sparse: sparse: cast from non-scalar
>> include/net/ip_fib.h:539:19: sparse: sparse: cast to non-scalar
>> include/net/ip_fib.h:539:19: sparse: sparse: cast from non-scalar
>> include/net/ip_fib.h:539:19: sparse: sparse: cast to non-scalar
>> include/net/ip_fib.h:539:19: sparse: sparse: cast from non-scalar
>> include/net/ip_fib.h:539:19: sparse: sparse: cast to non-scalar
>> include/net/ip_fib.h:539:19: sparse: sparse: cast from non-scalar
>> include/net/ip_fib.h:539:19: sparse: sparse: cast to non-scalar
>> include/net/ip_fib.h:539:19: sparse: sparse: cast from non-scalar
vim +539 include/net/ip_fib.h
3e453ca122d483 Petr Machata 2024-06-07 532
4ee2a8cace3fb9 Petr Machata 2024-06-07 533 static inline u32 fib_multipath_hash_from_keys(const struct net *net,
4ee2a8cace3fb9 Petr Machata 2024-06-07 534 struct flow_keys *keys)
4ee2a8cace3fb9 Petr Machata 2024-06-07 535 {
4ee2a8cace3fb9 Petr Machata 2024-06-07 536 siphash_aligned_key_t hash_key;
4ee2a8cace3fb9 Petr Machata 2024-06-07 537 u32 mp_seed;
4ee2a8cace3fb9 Petr Machata 2024-06-07 538
4ee2a8cace3fb9 Petr Machata 2024-06-07 @539 mp_seed = READ_ONCE(net->ipv4.sysctl_fib_multipath_hash_seed).mp_seed;
4ee2a8cace3fb9 Petr Machata 2024-06-07 540 fib_multipath_hash_construct_key(&hash_key, mp_seed);
4ee2a8cace3fb9 Petr Machata 2024-06-07 541
4ee2a8cace3fb9 Petr Machata 2024-06-07 542 return flow_hash_from_keys_seed(keys, &hash_key);
4ee2a8cace3fb9 Petr Machata 2024-06-07 543 }
4ee2a8cace3fb9 Petr Machata 2024-06-07 544 #else
3e453ca122d483 Petr Machata 2024-06-07 545 static inline u32 fib_multipath_hash_from_keys(const struct net *net,
3e453ca122d483 Petr Machata 2024-06-07 546 struct flow_keys *keys)
3e453ca122d483 Petr Machata 2024-06-07 547 {
3e453ca122d483 Petr Machata 2024-06-07 548 return flow_hash_from_keys(keys);
3e453ca122d483 Petr Machata 2024-06-07 549 }
4ee2a8cace3fb9 Petr Machata 2024-06-07 550 #endif
3e453ca122d483 Petr Machata 2024-06-07 551
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next reply other threads:[~2024-07-24 6:28 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-24 6:27 kernel test robot [this message]
-- strict thread matches above, loose matches on Subject: below --
2024-12-20 3:21 include/net/ip_fib.h:539:19: sparse: sparse: cast to non-scalar kernel test robot
2025-05-30 1:53 kernel test robot
2025-07-12 3:41 kernel test robot
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