tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 00e4db51259a5f936fec1424b884f029479d3981 commit: 2a612a60ab440e6480c77b73403dfee061f74e4b iwlwifi: implement a new device configuration table date: 7 months ago config: parisc-randconfig-m031-20200811 (attached as .config) compiler: hppa-linux-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <l...@intel.com>
New smatch warnings:
drivers/net/wireless/intel/iwlwifi/pcie/drv.c:1032 iwl_pci_probe() warn: we
never enter this loop
Old smatch warnings:
drivers/net/wireless/intel/iwlwifi/pcie/drv.c:1035 iwl_pci_probe() warn:
impossible condition '(dev_info->device == (~0)) => (0-u16max == (-1))'
drivers/net/wireless/intel/iwlwifi/pcie/drv.c:1037 iwl_pci_probe() warn:
impossible condition '(dev_info->subdevice == (~0)) => (0-u16max == (-1))'
vim +1032 drivers/net/wireless/intel/iwlwifi/pcie/drv.c
1002
1003 static int iwl_pci_probe(struct pci_dev *pdev, const struct
pci_device_id *ent)
1004 {
1005 const struct iwl_cfg_trans_params *trans =
1006 (struct iwl_cfg_trans_params *)(ent->driver_data);
1007 const struct iwl_cfg *cfg_7265d __maybe_unused = NULL;
1008 struct iwl_trans *iwl_trans;
1009 struct iwl_trans_pcie *trans_pcie;
1010 unsigned long flags;
1011 int i, ret;
1012 /*
1013 * This is needed for backwards compatibility with the old
1014 * tables, so we don't need to change all the config structs
1015 * at the same time. The cfg is used to compare with the old
1016 * full cfg structs.
1017 */
1018 const struct iwl_cfg *cfg = (struct iwl_cfg
*)(ent->driver_data);
1019
1020 /* make sure trans is the first element in iwl_cfg */
1021 BUILD_BUG_ON(offsetof(struct iwl_cfg, trans));
1022
1023 iwl_trans = iwl_trans_pcie_alloc(pdev, ent, trans);
1024 if (IS_ERR(iwl_trans))
1025 return PTR_ERR(iwl_trans);
1026
1027 trans_pcie = IWL_TRANS_GET_PCIE_TRANS(iwl_trans);
1028
1029 /* the trans_cfg should never change, so set it now */
1030 iwl_trans->trans_cfg = trans;
1031
> 1032 for (i = 0; i < ARRAY_SIZE(iwl_dev_info_table); i++) {
1033 const struct iwl_dev_info *dev_info =
&iwl_dev_info_table[i];
1034
1035 if ((dev_info->device == IWL_CFG_ANY ||
1036 dev_info->device == pdev->device) &&
1037 (dev_info->subdevice == IWL_CFG_ANY ||
1038 dev_info->subdevice == pdev->subsystem_device)) {
1039 iwl_trans->cfg = dev_info->cfg;
1040 goto found;
1041 }
1042 }
1043
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
.config.gz
Description: application/gzip
