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charset=us-ascii Content-Disposition: inline tree: https://github.com/KanjiMonster/linux b53/wip head: 4bd0d15e25ab64f157bf00b4c39bd1ef94da1ff5 commit: 70fb214830ff40f92fbfbacf66223b3cd3e803b9 [10/12] net: dsa: b53: add MSTI support config: i386-buildonly-randconfig-002-20251104 (https://download.01.org/0day-ci/archive/20251104/202511040948.TxkC68cF-lkp@intel.com/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251104/202511040948.TxkC68cF-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202511040948.TxkC68cF-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/net/dsa/b53/b53_common.c:2590:28: warning: variable 'i' is uninitialized when used here [-Wuninitialized] 2590 | if (dsa_to_port(dev->ds, i)->bridge) | ^ drivers/net/dsa/b53/b53_common.c:2582:8: note: initialize the variable 'i' to silence this warning 2582 | int i; | ^ | = 0 1 warning generated. vim +/i +2590 drivers/net/dsa/b53/b53_common.c 2574 2575 void b53_br_set_stp_state(struct dsa_switch *ds, int port, u8 state) 2576 { 2577 struct b53_device *dev = ds->priv; 2578 u8 hw_state; 2579 u8 reg; 2580 2581 if (dev->num_msts) { 2582 int i; 2583 2584 if (port == B53_CPU_PORT) 2585 return; 2586 2587 /* Update CIST entry */ 2588 b53_set_mst_state(dev, port, 0, state); 2589 > 2590 if (dsa_to_port(dev->ds, i)->bridge) 2591 return; 2592 2593 for (i = 1; i < dev->num_msts; i++) 2594 b53_set_mst_state(dev, port, i, state); 2595 } else { 2596 switch (state) { 2597 case BR_STATE_DISABLED: 2598 hw_state = PORT_CTRL_DIS_STATE; 2599 break; 2600 case BR_STATE_LISTENING: 2601 hw_state = PORT_CTRL_LISTEN_STATE; 2602 break; 2603 case BR_STATE_LEARNING: 2604 hw_state = PORT_CTRL_LEARN_STATE; 2605 break; 2606 case BR_STATE_FORWARDING: 2607 hw_state = PORT_CTRL_FWD_STATE; 2608 break; 2609 case BR_STATE_BLOCKING: 2610 hw_state = PORT_CTRL_BLOCK_STATE; 2611 break; 2612 default: 2613 dev_err(ds->dev, "invalid STP state: %d\n", state); 2614 return; 2615 2616 b53_read8(dev, B53_CTRL_PAGE, B53_PORT_CTRL(port), ®); 2617 reg &= ~PORT_CTRL_STP_STATE_MASK; 2618 reg |= hw_state; 2619 b53_write8(dev, B53_CTRL_PAGE, B53_PORT_CTRL(port), reg); 2620 } 2621 } 2622 } 2623 EXPORT_SYMBOL(b53_br_set_stp_state); 2624 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki