tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: b7bed6628b750ffd687d1da0a170dece4b0c08bd commit: a398c3637a33330c134f067e06df959550d44f7b [27064/30000] drivers: initial support for rnpgbe drivers from Mucse Technology config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20240903/202409031257.Y7C0PYH5-lkp@i...) compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240903/202409031257.Y7C0PYH5-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/202409031257.Y7C0PYH5-lkp@intel.com/

All warnings (new ones prefixed by >>):

drivers/net/ethernet/mucse/rnpgbe/rnpgbe_main.c:2353:6: warning: variable 'cleaned_total' set but not used [-Wunused-but-set-variable] 2353 | int cleaned_total = 0; | ^ drivers/net/ethernet/mucse/rnpgbe/rnpgbe_main.c:2899:6: warning: variable 'rxctrl' set but not used [-Wunused-but-set-variable] 2899 | u32 rxctrl = 0, dma_axi_ctl; | ^

...

drivers/net/ethernet/mucse/rnpgbe/rnpgbe_main.c:4324:6: warning: variable 'err' is used uninitialized whenever 'if' condition is false [-Wsometimes-uninitialized]

4324 | if (netif_running(netdev)) | ^~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/mucse/rnpgbe/rnpgbe_main.c:4329:6: note: uninitialized use occurs here 4329 | if (err) | ^~~ drivers/net/ethernet/mucse/rnpgbe/rnpgbe_main.c:4324:2: note: remove the 'if' if its condition is always true 4324 | if (netif_running(netdev)) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ 4325 | err = rnpgbe_open(netdev); drivers/net/ethernet/mucse/rnpgbe/rnpgbe_main.c:4318:9: note: initialize the variable 'err' to silence this warning 4318 | u32 err; | ^ | = 0 drivers/net/ethernet/mucse/rnpgbe/rnpgbe_main.c:6160:29: warning: unused function 'rnpgbe_tso_features' [-Wunused-function] 6160 | static inline unsigned long rnpgbe_tso_features(struct rnpgbe_hw *hw) | ^~~~~~~~~~~~~~~~~~~ 4 warnings generated.

vim +4324 drivers/net/ethernet/mucse/rnpgbe/rnpgbe_main.c

4309 4310 /** 4311 * rnpgbe_thaw - un-quiesce the device 4312 * @dev: The port's netdev 4313 */ 4314 static int rnpgbe_thaw(struct device *dev) 4315 { 4316 struct rnpgbe_adapter *adapter = pci_get_drvdata(to_pci_dev(dev)); 4317 struct net_device *netdev = adapter->netdev; 4318 u32 err; 4319 4320 rnpgbe_set_interrupt_capability(adapter); 4321 register_mbx_irq(adapter); 4322 4323 rtnl_lock();

4324 if (netif_running(netdev))

4325 err = rnpgbe_open(netdev); 4326 4327 rtnl_unlock(); 4328 4329 if (err) 4330 return err; 4331 netif_device_attach(netdev); 4332 4333 return 0; 4334 } 4335