* [nbd168-wireless:mtk-flow-offload 15/15] drivers/net/ethernet/mediatek/mtk_ppe.c:446:28: warning: variable 'head' set but not used
@ 2022-02-23 19:36 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2022-02-23 19:36 UTC (permalink / raw)
To: Felix Fietkau; +Cc: kbuild-all, linux-kernel
tree: https://github.com/nbd168/wireless mtk-flow-offload
head: 4dded169141416b3248146f545378f36cca6bd03
commit: 4dded169141416b3248146f545378f36cca6bd03 [15/15] net: ethernet: mtk_eth_soc: support creating mac address based offload entries
config: mips-allyesconfig (https://download.01.org/0day-ci/archive/20220224/202202240359.nIypTA36-lkp@intel.com/config)
compiler: mips-linux-gcc (GCC) 11.2.0
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
# https://github.com/nbd168/wireless/commit/4dded169141416b3248146f545378f36cca6bd03
git remote add nbd168-wireless https://github.com/nbd168/wireless
git fetch --no-tags nbd168-wireless mtk-flow-offload
git checkout 4dded169141416b3248146f545378f36cca6bd03
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=mips SHELL=/bin/bash drivers/net/ethernet/mediatek/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
drivers/net/ethernet/mediatek/mtk_ppe.c: In function 'mtk_flow_entry_update_l2':
>> drivers/net/ethernet/mediatek/mtk_ppe.c:446:28: warning: variable 'head' set but not used [-Wunused-but-set-variable]
446 | struct hlist_head *head;
| ^~~~
vim +/head +446 drivers/net/ethernet/mediatek/mtk_ppe.c
440
441 static void
442 mtk_flow_entry_update_l2(struct mtk_ppe *ppe, struct mtk_flow_entry *entry)
443 {
444 struct mtk_flow_entry *cur;
445 struct mtk_foe_entry *hwe;
> 446 struct hlist_head *head;
447 struct hlist_node *tmp;
448 int idle;
449
450 idle = __mtk_foe_entry_idle_time(ppe, entry->data.ib1);
451 head = &entry->l2_flows;
452 hlist_for_each_entry_safe(cur, tmp, &entry->l2_flows, l2_data.list) {
453 int cur_idle;
454 u32 ib1;
455
456 hwe = &ppe->foe_table[cur->hash];
457 ib1 = READ_ONCE(hwe->ib1);
458
459 if (FIELD_GET(MTK_FOE_IB1_STATE, ib1) != MTK_FOE_STATE_BIND) {
460 cur->hash = 0xffff;
461 __mtk_foe_entry_clear(ppe, cur);
462 continue;
463 }
464
465 cur_idle = __mtk_foe_entry_idle_time(ppe, ib1);
466 if (cur_idle >= idle)
467 continue;
468
469 idle = cur_idle;
470 entry->data.ib1 &= ~MTK_FOE_IB1_BIND_TIMESTAMP;
471 entry->data.ib1 |= hwe->ib1 & MTK_FOE_IB1_BIND_TIMESTAMP;
472 }
473 }
474
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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