Hi Vitor, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: 52e62ae625fcfe934330b24239cf61af5b5ce33f commit: b4eaf3e808dc2abcab55bc72df3b0d15961f33f0 [28544/30000] can: mcp251xfd: fix infinite loop when xmit fails config: x86_64-buildonly-randconfig-006-20241024 (https://download.01.org/0day-ci/archive/20241024/202410241814.11iTrBh6-lkp@i...) 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/20241024/202410241814.11iTrBh6-lkp@i...) 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/202410241814.11iTrBh6-lkp@intel.com/ All warnings (new ones prefixed by >>):

...

drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c:2327:6: warning: no previous prototype for 'mcp251xfd_tx_obj_write_sync' [-Wmissing-prototypes] 2327 | void mcp251xfd_tx_obj_write_sync(struct work_struct *work) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~

vim +/mcp251xfd_tx_obj_write_sync +2327 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c 2326

2327 void mcp251xfd_tx_obj_write_sync(struct work_struct *work) 2328 { 2329 struct mcp251xfd_priv *priv = container_of(work, struct mcp251xfd_priv, 2330 tx_work); 2331 struct mcp251xfd_tx_obj *tx_obj = priv->tx_work_obj; 2332 struct mcp251xfd_tx_ring *tx_ring = priv->tx; 2333 int err; 2334 2335 err = spi_sync(priv->spi, &tx_obj->msg); 2336 if (err) 2337 mcp251xfd_tx_failure_drop(priv, tx_ring, err); 2338 } 2339

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