* [iwlwifi-next:next 165/176] drivers/net/wireless/intel/iwlwifi/pcie/drv.c:669:24: warning: implicit truncation from 'int' to bit-field changes value from -1 to 15
@ 2025-05-13 2:30 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2025-05-13 2:30 UTC (permalink / raw)
To: Johannes Berg; +Cc: llvm, oe-kbuild-all, Miri Korenblit
tree: https://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next.git next
head: c6f67ba09fcbbc3e4f307db56e6f554ab1fe1929
commit: 8748623e07c9089f40baddb6163475dd9e872701 [165/176] wifi: iwlwifi: cfg: reduce configuration struct size
config: um-allmodconfig (https://download.01.org/0day-ci/archive/20250513/202505131020.Aq1n2iE7-lkp@intel.com/config)
compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250513/202505131020.Aq1n2iE7-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 <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202505131020.Aq1n2iE7-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from drivers/net/wireless/intel/iwlwifi/pcie/drv.c:10:
In file included from include/linux/pci.h:38:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from arch/um/include/asm/hardirq.h:5:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:12:
In file included from arch/um/include/asm/io.h:24:
include/asm-generic/io.h:549:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
549 | val = __raw_readb(PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:567:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
567 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
| ^
In file included from drivers/net/wireless/intel/iwlwifi/pcie/drv.c:10:
In file included from include/linux/pci.h:38:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from arch/um/include/asm/hardirq.h:5:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:12:
In file included from arch/um/include/asm/io.h:24:
include/asm-generic/io.h:585:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
585 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
| ^
In file included from drivers/net/wireless/intel/iwlwifi/pcie/drv.c:10:
In file included from include/linux/pci.h:38:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from arch/um/include/asm/hardirq.h:5:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:12:
In file included from arch/um/include/asm/io.h:24:
include/asm-generic/io.h:601:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
601 | __raw_writeb(value, PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:616:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
616 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:631:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
631 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:724:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
724 | readsb(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:737:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
737 | readsw(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:750:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
750 | readsl(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:764:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
764 | writesb(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:778:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
778 | writesw(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:792:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
792 | writesl(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
>> drivers/net/wireless/intel/iwlwifi/pcie/drv.c:669:24: warning: implicit truncation from 'int' to bit-field changes value from -1 to 15 [-Wbitfield-constant-conversion]
668 | IWL_DEV_INFO(iwl6005_n_cfg, iwl6005_2agn_sff_name,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
669 | DEVICE(0x0082), SUBDEV_MASKED(0xC000, 0xF000)),
| ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/wireless/intel/iwlwifi/pcie/drv.c:576:21: note: expanded from macro 'SUBDEV_MASKED'
576 | .subdevice_m_h = _HIGHEST_BIT(m)
| ^
drivers/net/wireless/intel/iwlwifi/pcie/drv.c:569:25: note: expanded from macro '_HIGHEST_BIT'
569 | #define _HIGHEST_BIT(n) (__builtin_ffs((n) + 1) - 2)
| ^
drivers/net/wireless/intel/iwlwifi/pcie/drv.c:564:29: note: expanded from macro 'IWL_DEV_INFO'
564 | _IWL_DEV_INFO(_cfg, _name, __VA_ARGS__)
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
drivers/net/wireless/intel/iwlwifi/pcie/drv.c:561:2: note: expanded from macro '_IWL_DEV_INFO'
561 | __VA_ARGS__ \
| ^~~~~~~~~~~
13 warnings generated.
vim +/int +669 drivers/net/wireless/intel/iwlwifi/pcie/drv.c
2a612a60ab440e Luca Coelho 2019-10-10 584
cf74ce02e39410 Johannes Berg 2024-01-23 585 VISIBLE_IF_IWLWIFI_KUNIT const struct iwl_dev_info iwl_dev_info_table[] = {
35ac275ebe0c4a Johannes Berg 2025-05-02 586 #if IS_ENABLED(CONFIG_IWLDVM)
35ac275ebe0c4a Johannes Berg 2025-05-02 587 IWL_DEV_INFO(iwl5100_n_cfg, iwl5100_agn_name,
1fb053d9876f2a Johannes Berg 2025-05-02 588 DEVICE(0x4232), SUBDEV_MASKED(0x1, 0xF)),
35ac275ebe0c4a Johannes Berg 2025-05-02 589 IWL_DEV_INFO(iwl5100_n_cfg, iwl5100_agn_name,
1fb053d9876f2a Johannes Berg 2025-05-02 590 DEVICE(0x4232), SUBDEV_MASKED(0x4, 0xF)),
35ac275ebe0c4a Johannes Berg 2025-05-02 591 IWL_DEV_INFO(iwl5100_n_cfg, iwl5100_bgn_name,
1fb053d9876f2a Johannes Berg 2025-05-02 592 DEVICE(0x4232), SUBDEV_MASKED(0x5, 0xF)),
35ac275ebe0c4a Johannes Berg 2025-05-02 593 IWL_DEV_INFO(iwl5100_abg_cfg, iwl5100_abg_name,
1fb053d9876f2a Johannes Berg 2025-05-02 594 DEVICE(0x4232), SUBDEV_MASKED(0x6, 0xF)),
35ac275ebe0c4a Johannes Berg 2025-05-02 595 IWL_DEV_INFO(iwl5100_n_cfg, iwl5100_agn_name,
1fb053d9876f2a Johannes Berg 2025-05-02 596 DEVICE(0x4237), SUBDEV_MASKED(0x1, 0xF)),
35ac275ebe0c4a Johannes Berg 2025-05-02 597 IWL_DEV_INFO(iwl5100_n_cfg, iwl5100_agn_name,
1fb053d9876f2a Johannes Berg 2025-05-02 598 DEVICE(0x4237), SUBDEV_MASKED(0x4, 0xF)),
35ac275ebe0c4a Johannes Berg 2025-05-02 599 IWL_DEV_INFO(iwl5100_n_cfg, iwl5100_bgn_name,
1fb053d9876f2a Johannes Berg 2025-05-02 600 DEVICE(0x4237), SUBDEV_MASKED(0x5, 0xF)),
35ac275ebe0c4a Johannes Berg 2025-05-02 601 IWL_DEV_INFO(iwl5100_abg_cfg, iwl5100_abg_name,
1fb053d9876f2a Johannes Berg 2025-05-02 602 DEVICE(0x4237), SUBDEV_MASKED(0x6, 0xF)),
35ac275ebe0c4a Johannes Berg 2025-05-02 603
35ac275ebe0c4a Johannes Berg 2025-05-02 604 /* 5300 Series WiFi */
35ac275ebe0c4a Johannes Berg 2025-05-02 605 IWL_DEV_INFO(iwl5300_agn_cfg, iwl5300_agn_name,
1fb053d9876f2a Johannes Berg 2025-05-02 606 DEVICE(0x4235), SUBDEV_MASKED(0x1, 0xF)),
35ac275ebe0c4a Johannes Berg 2025-05-02 607 IWL_DEV_INFO(iwl5300_agn_cfg, iwl5300_agn_name,
1fb053d9876f2a Johannes Berg 2025-05-02 608 DEVICE(0x4235), SUBDEV_MASKED(0x4, 0xF)),
35ac275ebe0c4a Johannes Berg 2025-05-02 609 IWL_DEV_INFO(iwl5300_agn_cfg, iwl5300_agn_name,
1fb053d9876f2a Johannes Berg 2025-05-02 610 DEVICE(0x4236), SUBDEV_MASKED(0x1, 0xF)),
35ac275ebe0c4a Johannes Berg 2025-05-02 611 IWL_DEV_INFO(iwl5300_agn_cfg, iwl5300_agn_name,
1fb053d9876f2a Johannes Berg 2025-05-02 612 DEVICE(0x4236), SUBDEV_MASKED(0x4, 0xF)),
35ac275ebe0c4a Johannes Berg 2025-05-02 613
35ac275ebe0c4a Johannes Berg 2025-05-02 614 /* 5350 Series WiFi/WiMax */
35ac275ebe0c4a Johannes Berg 2025-05-02 615 IWL_DEV_INFO(iwl5350_agn_cfg, iwl5350_agn_name,
1fb053d9876f2a Johannes Berg 2025-05-02 616 DEVICE(0x423A)),
35ac275ebe0c4a Johannes Berg 2025-05-02 617 IWL_DEV_INFO(iwl5350_agn_cfg, iwl5350_agn_name,
1fb053d9876f2a Johannes Berg 2025-05-02 618 DEVICE(0x423B)),
35ac275ebe0c4a Johannes Berg 2025-05-02 619
35ac275ebe0c4a Johannes Berg 2025-05-02 620 /* 5150 Series Wifi/WiMax */
35ac275ebe0c4a Johannes Berg 2025-05-02 621 IWL_DEV_INFO(iwl5150_agn_cfg, iwl5150_agn_name,
1fb053d9876f2a Johannes Berg 2025-05-02 622 DEVICE(0x423C), SUBDEV_MASKED(0x1, 0xF)),
35ac275ebe0c4a Johannes Berg 2025-05-02 623 IWL_DEV_INFO(iwl5150_abg_cfg, iwl5150_abg_name,
1fb053d9876f2a Johannes Berg 2025-05-02 624 DEVICE(0x423C), SUBDEV_MASKED(0x6, 0xF)),
35ac275ebe0c4a Johannes Berg 2025-05-02 625
35ac275ebe0c4a Johannes Berg 2025-05-02 626 IWL_DEV_INFO(iwl5150_agn_cfg, iwl5150_agn_name,
1fb053d9876f2a Johannes Berg 2025-05-02 627 DEVICE(0x423D), SUBDEV_MASKED(0x1, 0xF)),
35ac275ebe0c4a Johannes Berg 2025-05-02 628 IWL_DEV_INFO(iwl5150_abg_cfg, iwl5150_abg_name,
1fb053d9876f2a Johannes Berg 2025-05-02 629 DEVICE(0x423D), SUBDEV_MASKED(0x6, 0xF)),
35ac275ebe0c4a Johannes Berg 2025-05-02 630
35ac275ebe0c4a Johannes Berg 2025-05-02 631 /* 6x00 Series */
35ac275ebe0c4a Johannes Berg 2025-05-02 632 IWL_DEV_INFO(iwl6000_3agn_cfg, iwl6000_3agn_name,
1fb053d9876f2a Johannes Berg 2025-05-02 633 DEVICE(0x422B), SUBDEV_MASKED(0x1, 0xF)),
35ac275ebe0c4a Johannes Berg 2025-05-02 634 IWL_DEV_INFO(iwl6000_3agn_cfg, iwl6000_3agn_name,
1fb053d9876f2a Johannes Berg 2025-05-02 635 DEVICE(0x422B), SUBDEV_MASKED(0x8, 0xF)),
35ac275ebe0c4a Johannes Berg 2025-05-02 636 IWL_DEV_INFO(iwl6000i_2agn_cfg, iwl6000i_2agn_name,
1fb053d9876f2a Johannes Berg 2025-05-02 637 DEVICE(0x422C), SUBDEV_MASKED(0x1, 0xF)),
35ac275ebe0c4a Johannes Berg 2025-05-02 638 IWL_DEV_INFO(iwl6000i_non_n_cfg, iwl6000i_2abg_name,
1fb053d9876f2a Johannes Berg 2025-05-02 639 DEVICE(0x422C), SUBDEV_MASKED(0x6, 0xF)),
35ac275ebe0c4a Johannes Berg 2025-05-02 640 IWL_DEV_INFO(iwl6000i_non_n_cfg, iwl6000i_2bg_name,
1fb053d9876f2a Johannes Berg 2025-05-02 641 DEVICE(0x422C), SUBDEV_MASKED(0x7, 0xF)),
35ac275ebe0c4a Johannes Berg 2025-05-02 642 IWL_DEV_INFO(iwl6000_3agn_cfg, iwl6000_3agn_name,
35ac275ebe0c4a Johannes Berg 2025-05-02 643 DEVICE(0x4238), SUBDEV(0x1111)),
35ac275ebe0c4a Johannes Berg 2025-05-02 644 IWL_DEV_INFO(iwl6000_3agn_cfg, iwl6000_3agn_name,
35ac275ebe0c4a Johannes Berg 2025-05-02 645 DEVICE(0x4238), SUBDEV(0x1118)),
35ac275ebe0c4a Johannes Berg 2025-05-02 646 IWL_DEV_INFO(iwl6000i_2agn_cfg, iwl6000i_2agn_name,
35ac275ebe0c4a Johannes Berg 2025-05-02 647 DEVICE(0x4239), SUBDEV(0x1311)),
35ac275ebe0c4a Johannes Berg 2025-05-02 648 IWL_DEV_INFO(iwl6000i_non_n_cfg, iwl6000i_2abg_name,
35ac275ebe0c4a Johannes Berg 2025-05-02 649 DEVICE(0x4239), SUBDEV(0x1316)),
35ac275ebe0c4a Johannes Berg 2025-05-02 650
35ac275ebe0c4a Johannes Berg 2025-05-02 651 /* 6x05 Series */
35ac275ebe0c4a Johannes Berg 2025-05-02 652 IWL_DEV_INFO(iwl6005_n_cfg, iwl6005_2agn_name,
1fb053d9876f2a Johannes Berg 2025-05-02 653 DEVICE(0x0082), SUBDEV_MASKED(0x1, 0xF)),
35ac275ebe0c4a Johannes Berg 2025-05-02 654 IWL_DEV_INFO(iwl6005_non_n_cfg, iwl6005_2abg_name,
1fb053d9876f2a Johannes Berg 2025-05-02 655 DEVICE(0x0082), SUBDEV_MASKED(0x6, 0xF)),
35ac275ebe0c4a Johannes Berg 2025-05-02 656 IWL_DEV_INFO(iwl6005_non_n_cfg, iwl6005_2bg_name,
1fb053d9876f2a Johannes Berg 2025-05-02 657 DEVICE(0x0082), SUBDEV_MASKED(0x7, 0xF)),
35ac275ebe0c4a Johannes Berg 2025-05-02 658 IWL_DEV_INFO(iwl6005_n_cfg, iwl6005_2agn_name,
1fb053d9876f2a Johannes Berg 2025-05-02 659 DEVICE(0x0082), SUBDEV_MASKED(0x8, 0xF)),
1fb053d9876f2a Johannes Berg 2025-05-02 660
35ac275ebe0c4a Johannes Berg 2025-05-02 661 IWL_DEV_INFO(iwl6005_n_cfg, iwl6005_2agn_name,
1fb053d9876f2a Johannes Berg 2025-05-02 662 DEVICE(0x0085), SUBDEV_MASKED(0x1, 0xF)),
35ac275ebe0c4a Johannes Berg 2025-05-02 663 IWL_DEV_INFO(iwl6005_n_cfg, iwl6005_2agn_name,
1fb053d9876f2a Johannes Berg 2025-05-02 664 DEVICE(0x0085), SUBDEV_MASKED(0x8, 0xF)),
35ac275ebe0c4a Johannes Berg 2025-05-02 665 IWL_DEV_INFO(iwl6005_non_n_cfg, iwl6005_2abg_name,
1fb053d9876f2a Johannes Berg 2025-05-02 666 DEVICE(0x0085), SUBDEV_MASKED(0x6, 0xF)),
1fb053d9876f2a Johannes Berg 2025-05-02 667
35ac275ebe0c4a Johannes Berg 2025-05-02 668 IWL_DEV_INFO(iwl6005_n_cfg, iwl6005_2agn_sff_name,
a2ec30065c3170 Johannes Berg 2025-05-05 @669 DEVICE(0x0082), SUBDEV_MASKED(0xC000, 0xF000)),
35ac275ebe0c4a Johannes Berg 2025-05-02 670 IWL_DEV_INFO(iwl6005_n_cfg, iwl6005_2agn_d_name,
35ac275ebe0c4a Johannes Berg 2025-05-02 671 DEVICE(0x0082), SUBDEV(0x4820)),
35ac275ebe0c4a Johannes Berg 2025-05-02 672 IWL_DEV_INFO(iwl6005_n_cfg, iwl6005_2agn_mow1_name,
35ac275ebe0c4a Johannes Berg 2025-05-02 673 DEVICE(0x0082), SUBDEV(0x1304)),/* low 5GHz active */
35ac275ebe0c4a Johannes Berg 2025-05-02 674 IWL_DEV_INFO(iwl6005_n_cfg, iwl6005_2agn_mow2_name,
35ac275ebe0c4a Johannes Berg 2025-05-02 675 DEVICE(0x0082), SUBDEV(0x1305)),/* high 5GHz active */
35ac275ebe0c4a Johannes Berg 2025-05-02 676
:::::: The code at line 669 was first introduced by commit
:::::: a2ec30065c3170376de38ac496c087fad1ccbd4b wifi: iwlwifi: fix 6005N/SFF match
:::::: TO: Johannes Berg <johannes.berg@intel.com>
:::::: CC: Miri Korenblit <miriam.rachel.korenblit@intel.com>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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