netdev - Re: [PATCH net-next 13/13] net: mctp: test: Add tests for gateway routes

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Message-ID: <202506121602.RLO9kgkY-lkp@intel.com>
Date: Thu, 12 Jun 2025 16:56:14 +0800
From: kernel test robot <lkp@...el.com>
To: Jeremy Kerr <jk@...econstruct.com.au>,
	Matt Johnston <matt@...econstruct.com.au>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Simon Horman <horms@...nel.org>
Cc: oe-kbuild-all@...ts.linux.dev, netdev@...r.kernel.org
Subject: Re: [PATCH net-next 13/13] net: mctp: test: Add tests for gateway
 routes

Hi Jeremy,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 0097c4195b1d0ca57d15979626c769c74747b5a0]

url:    https://github.com/intel-lab-lkp/linux/commits/Jeremy-Kerr/net-mctp-don-t-use-source-cb-data-when-forwarding-ensure-pkt_type-is-set/20250611-143319
base:   0097c4195b1d0ca57d15979626c769c74747b5a0
patch link:    https://lore.kernel.org/r/20250611-dev-forwarding-v1-13-6b69b1feb37f%40codeconstruct.com.au
patch subject: [PATCH net-next 13/13] net: mctp: test: Add tests for gateway routes
config: hexagon-randconfig-r133-20250612 (https://download.01.org/0day-ci/archive/20250612/202506121602.RLO9kgkY-lkp@intel.com/config)
compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff)
reproduce: (https://download.01.org/0day-ci/archive/20250612/202506121602.RLO9kgkY-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202506121602.RLO9kgkY-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
   net/mctp/route.c: note: in included file:
>> net/mctp/test/route-test.c:1256:37: sparse: sparse: symbol 'mctp_route_gw_mtu_tests' was not declared. Should it be static?
   net/mctp/route.c:162:9: sparse: sparse: context imbalance in 'mctp_lookup_key' - different lock contexts for basic block
   net/mctp/route.c:554:39: sparse: sparse: context imbalance in 'mctp_dst_input' - unexpected unlock

vim +/mctp_route_gw_mtu_tests +1256 net/mctp/test/route-test.c

  1255	
> 1256	const struct mctp_route_gw_mtu_test mctp_route_gw_mtu_tests[] = {
  1257		/* no route-specific MTUs */
  1258		{ 68, 0, 0, 0, 68 },
  1259		{ 100, 0, 0, 0, 100 },
  1260		/* one route MTU (smaller than dev mtu), others unrestricted */
  1261		{ 100, 68, 0, 0, 68 },
  1262		{ 100, 0, 68, 0, 68 },
  1263		{ 100, 0, 0, 68, 68 },
  1264		/* smallest applied, regardless of order */
  1265		{ 100, 99, 98, 68, 68 },
  1266		{ 99, 100, 98, 68, 68 },
  1267		{ 98, 99, 100, 68, 68 },
  1268		{ 68, 98, 99, 100, 68 },
  1269	};
  1270	

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