Re: [PATCH] netxen: validate unified ROM directory bounds

From: kernel test robot

Date: Sun Aug 16 2026 - 15:14:52 EST

Hi Pengpeng,

kernel test robot noticed the following build warnings:

[auto build test WARNING on linus/master]
[also build test WARNING on v7.2-rc7 next-20260814]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url: https://github.com/intel-lab-lkp/linux/commits/Pengpeng-Hou/netxen-validate-unified-ROM-directory-bounds/20260813-084956
base: linus/master
patch link: https://lore.kernel.org/r/20260706093702.81687-1-pengpeng%40iscas.ac.cn
patch subject: [PATCH] netxen: validate unified ROM directory bounds
config: csky-randconfig-r122-20260816 (https://download.01.org/0day-ci/archive/20260817/202608170305.r8VtBUCF-lkp@xxxxxxxxx/config)
compiler: csky-linux-gcc (GCC) 15.2.0
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260817/202608170305.r8VtBUCF-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202608170305.r8VtBUCF-lkp@xxxxxxxxx/

sparse warnings: (new ones prefixed by >>)
>> drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:597:23: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned int [usertype] entries @@ got restricted __le32 [usertype] @@
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:597:23: sparse: expected unsigned int [usertype] entries
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:597:23: sparse: got restricted __le32 [usertype]
>> drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:598:26: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned int [usertype] entry_size @@ got restricted __le32 [usertype] @@
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:598:26: sparse: expected unsigned int [usertype] entry_size
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:598:26: sparse: got restricted __le32 [usertype]
>> drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:599:22: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned int [usertype] findex @@ got restricted __le32 [usertype] @@
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:599:22: sparse: expected unsigned int [usertype] findex
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:599:22: sparse: got restricted __le32 [usertype]
>> drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:608:32: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned int [usertype] tab_type @@ got restricted __le32 [usertype] @@
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:608:32: sparse: expected unsigned int [usertype] tab_type
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:608:32: sparse: got restricted __le32 [usertype]
>> drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:631:17: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] entries @@ got restricted __le32 [usertype] @@
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:631:17: sparse: expected unsigned int [usertype] entries
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:631:17: sparse: got restricted __le32 [usertype]
>> drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:632:20: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] entry_size @@ got restricted __le32 [usertype] @@
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:632:20: sparse: expected unsigned int [usertype] entry_size
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:632:20: sparse: got restricted __le32 [usertype]
>> drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:633:16: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] findex @@ got restricted __le32 [usertype] @@
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:633:16: sparse: expected unsigned int [usertype] findex
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:633:16: sparse: got restricted __le32 [usertype]
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:651:15: sparse: sparse: restricted __le32 degrades to integer
>> drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:651:13: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] idx @@ got restricted __le32 [usertype] @@
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:651:13: sparse: expected unsigned int [usertype] idx
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:651:13: sparse: got restricted __le32 [usertype]
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:658:20: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] entry_size @@ got restricted __le32 [usertype] @@
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:658:20: sparse: expected unsigned int [usertype] entry_size
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:658:20: sparse: got restricted __le32 [usertype]
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:659:16: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] findex @@ got restricted __le32 [usertype] @@
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:659:16: sparse: expected unsigned int [usertype] findex
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:659:16: sparse: got restricted __le32 [usertype]
>> drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:667:18: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] data_off @@ got restricted __le32 [usertype] @@
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:667:18: sparse: expected unsigned int [usertype] data_off
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:667:18: sparse: got restricted __le32 [usertype]
>> drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:668:18: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] data_len @@ got restricted __le32 [usertype] @@
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:668:18: sparse: expected unsigned int [usertype] data_len
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:668:18: sparse: got restricted __le32 [usertype]
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:686:15: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:686:13: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] idx @@ got restricted __le32 [usertype] @@
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:686:13: sparse: expected unsigned int [usertype] idx
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:686:13: sparse: got restricted __le32 [usertype]
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:693:20: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] entry_size @@ got restricted __le32 [usertype] @@
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:693:20: sparse: expected unsigned int [usertype] entry_size
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:693:20: sparse: got restricted __le32 [usertype]
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:694:16: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] findex @@ got restricted __le32 [usertype] @@
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:694:16: sparse: expected unsigned int [usertype] findex
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:694:16: sparse: got restricted __le32 [usertype]
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:702:18: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] data_off @@ got restricted __le32 [usertype] @@
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:702:18: sparse: expected unsigned int [usertype] data_off
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:702:18: sparse: got restricted __le32 [usertype]
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:703:18: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] data_len @@ got restricted __le32 [usertype] @@
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:703:18: sparse: expected unsigned int [usertype] data_len
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:703:18: sparse: got restricted __le32 [usertype]
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:726:17: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] entries @@ got restricted __le32 [usertype] @@
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:726:17: sparse: expected unsigned int [usertype] entries
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:726:17: sparse: got restricted __le32 [usertype]
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:727:20: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] entry_size @@ got restricted __le32 [usertype] @@
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:727:20: sparse: expected unsigned int [usertype] entry_size
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:727:20: sparse: got restricted __le32 [usertype]
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:728:16: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] findex @@ got restricted __le32 [usertype] @@
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:728:16: sparse: expected unsigned int [usertype] findex
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:728:16: sparse: got restricted __le32 [usertype]
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:748:33: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:749:42: sparse: sparse: restricted __le32 degrades to integer
>> drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:750:47: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] file_prd_off @@ got unsigned int [assigned] [usertype] offs @@
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:750:47: sparse: expected restricted __le32 [usertype] file_prd_off
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:750:47: sparse: got unsigned int [assigned] [usertype] offs
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:797:19: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:797:19: sparse: sparse: incorrect type in initializer (different base types) @@ expected int idx @@ got restricted __le32 [usertype] @@
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:797:19: sparse: expected int idx
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:797:19: sparse: got restricted __le32 [usertype]
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:808:26: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:807:16: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:807:14: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] offs @@ got unsigned int @@
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:807:14: sparse: expected restricted __le32 [usertype] offs
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:807:14: sparse: got unsigned int
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:810:48: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:819:22: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] offs @@ got restricted __le32 [usertype] @@
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:819:22: sparse: expected unsigned int [usertype] offs
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:819:22: sparse: got restricted __le32 [usertype]
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:832:22: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] offs @@ got restricted __le32 [usertype] @@
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:832:22: sparse: expected unsigned int [usertype] offs
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:832:22: sparse: got restricted __le32 [usertype]
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:864:38: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:865:33: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:878:33: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:878:24: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:878:48: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:878:45: sparse: sparse: incorrect type in return expression (different base types) @@ expected restricted __le32 @@ got unsigned int @@
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:878:45: sparse: expected restricted __le32
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:878:45: sparse: got unsigned int
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:891:28: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:893:25: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:893:45: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:894:58: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:893:70: sparse: sparse: incorrect type in return expression (different base types) @@ expected restricted __le32 @@ got unsigned int @@
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:893:70: sparse: expected restricted __le32
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:893:70: sparse: got unsigned int
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:942:21: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] val @@ got restricted __le32 @@
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:942:21: sparse: expected unsigned int [usertype] val
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:942:21: sparse: got restricted __le32
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1030:72: sparse: sparse: incorrect type in argument 3 (different base types) @@ expected unsigned long long [usertype] @@ got restricted __le64 [assigned] [usertype] data @@
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1030:72: sparse: expected unsigned long long [usertype]
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1030:72: sparse: got restricted __le64 [assigned] [usertype] data
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1045:60: sparse: sparse: incorrect type in argument 3 (different base types) @@ expected unsigned long long [usertype] @@ got restricted __le64 [assigned] [usertype] data @@
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1045:60: sparse: expected unsigned long long [usertype]
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1045:60: sparse: got restricted __le64 [assigned] [usertype] data
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1056:60: sparse: sparse: incorrect type in argument 3 (different base types) @@ expected unsigned long long [usertype] @@ got restricted __le64 [assigned] [usertype] data @@
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1056:60: sparse: expected unsigned long long [usertype]
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1056:60: sparse: got restricted __le64 [assigned] [usertype] data
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1130:23: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1130:23: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1130:23: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1154:24: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1154:24: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1154:24: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1154:22: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [addressable] [usertype] flash_fw_ver @@ got unsigned int @@
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1154:22: sparse: expected restricted __le32 [addressable] [usertype] flash_fw_ver
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1154:22: sparse: got unsigned int
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1158:46: sparse: sparse: restricted __le32 degrades to integer
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1170:21: sparse: sparse: restricted __le32 degrades to integer

vim +597 drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c

592
593 static struct uni_table_desc *
594 nx_get_table_desc(const u8 *unirom, size_t fw_size, int section)
595 {
596 struct uni_table_desc *directory = (struct uni_table_desc *) &unirom[0];
> 597 u32 entries = cpu_to_le32(directory->num_entries);
> 598 u32 entry_size = cpu_to_le32(directory->entry_size);
> 599 u32 findex = cpu_to_le32(directory->findex);
600 u32 i;
601
602 if (entry_size < NX_UNI_DIR_ENTRY_MIN_SIZE ||
603 !netxen_rom_table_valid(fw_size, findex, entries, entry_size))
604 return NULL;
605
606 for (i = 0; i < entries; i++) {
607 size_t offs = findex + (size_t)i * entry_size;
> 608 u32 tab_type = cpu_to_le32(*((u32 *)&unirom[offs] +
609 NX_UNI_DIR_TYPE_OFF));
610
611 if (tab_type == section)
612 return (struct uni_table_desc *)&unirom[offs];
613 }
614
615 return NULL;
616 }
617
618 #define QLCNIC_FILEHEADER_SIZE (14 * 4)
619
620 static int
621 netxen_nic_validate_header(struct netxen_adapter *adapter)
622 {
623 const u8 *unirom = adapter->fw->data;
624 struct uni_table_desc *directory = (struct uni_table_desc *)&unirom[0];
625 u32 fw_file_size = adapter->fw->size;
626 u32 entries, entry_size, findex;
627
628 if (fw_file_size < QLCNIC_FILEHEADER_SIZE)
629 return -EINVAL;
630
> 631 entries = cpu_to_le32(directory->num_entries);
> 632 entry_size = cpu_to_le32(directory->entry_size);
> 633 findex = cpu_to_le32(directory->findex);
634
635 if (!netxen_rom_table_valid(fw_file_size, findex, entries, entry_size))
636 return -EINVAL;
637
638 return 0;
639 }
640
641 static int
642 netxen_nic_validate_bootld(struct netxen_adapter *adapter)
643 {
644 struct uni_table_desc *tab_desc;
645 struct uni_data_desc *descr;
646 const u8 *unirom = adapter->fw->data;
647 u32 data_len, data_off, entry_size, findex, idx;
648 u32 section = NX_UNI_DIR_SECT_BOOTLD;
649 size_t offs;
650
> 651 idx = cpu_to_le32(*((int *)&unirom[adapter->file_prd_off] +
652 NX_UNI_BOOTLD_IDX_OFF));
653 tab_desc = nx_get_table_desc(unirom, adapter->fw->size, section);
654
655 if (!tab_desc)
656 return -EINVAL;
657
658 entry_size = cpu_to_le32(tab_desc->entry_size);
659 findex = cpu_to_le32(tab_desc->findex);
660 if (entry_size < sizeof(*descr) ||
661 !netxen_rom_entry_valid(adapter->fw->size, findex, entry_size,
662 idx))
663 return -EINVAL;
664
665 offs = findex + (size_t)entry_size * idx;
666 descr = (struct uni_data_desc *)&unirom[offs];
> 667 data_off = cpu_to_le32(descr->findex);
> 668 data_len = cpu_to_le32(descr->size);
669
670 if (!netxen_rom_range_valid(adapter->fw->size, data_off, data_len))
671 return -EINVAL;
672
673 return 0;
674 }
675
676 static int
677 netxen_nic_validate_fw(struct netxen_adapter *adapter)
678 {
679 struct uni_table_desc *tab_desc;
680 struct uni_data_desc *descr;
681 const u8 *unirom = adapter->fw->data;
682 u32 data_len, data_off, entry_size, findex, idx;
683 u32 section = NX_UNI_DIR_SECT_FW;
684 size_t offs;
685
686 idx = cpu_to_le32(*((int *)&unirom[adapter->file_prd_off] +
687 NX_UNI_FIRMWARE_IDX_OFF));
688 tab_desc = nx_get_table_desc(unirom, adapter->fw->size, section);
689
690 if (!tab_desc)
691 return -EINVAL;
692
693 entry_size = cpu_to_le32(tab_desc->entry_size);
694 findex = cpu_to_le32(tab_desc->findex);
695 if (entry_size < sizeof(*descr) ||
696 !netxen_rom_entry_valid(adapter->fw->size, findex, entry_size,
697 idx))
698 return -EINVAL;
699
700 offs = findex + (size_t)entry_size * idx;
701 descr = (struct uni_data_desc *)&unirom[offs];
702 data_off = cpu_to_le32(descr->findex);
703 data_len = cpu_to_le32(descr->size);
704
705 if (!netxen_rom_range_valid(adapter->fw->size, data_off, data_len))
706 return -EINVAL;
707
708 return 0;
709 }
710
711
712 static int
713 netxen_nic_validate_product_offs(struct netxen_adapter *adapter)
714 {
715 struct uni_table_desc *ptab_descr;
716 const u8 *unirom = adapter->fw->data;
717 int mn_present = (NX_IS_REVISION_P2(adapter->ahw.revision_id)) ?
718 1 : netxen_p3_has_mn(adapter);
719 u32 entries, entry_size, findex, i;
720 u32 section = NX_UNI_DIR_SECT_PRODUCT_TBL;
721
722 ptab_descr = nx_get_table_desc(unirom, adapter->fw->size, section);
723 if (ptab_descr == NULL)
724 return -EINVAL;
725
726 entries = cpu_to_le32(ptab_descr->num_entries);
727 entry_size = cpu_to_le32(ptab_descr->entry_size);
728 findex = cpu_to_le32(ptab_descr->findex);
729 if (entry_size < NX_UNI_PRODUCT_ENTRY_MIN_SIZE ||
730 !netxen_rom_table_valid(adapter->fw->size, findex, entries,
731 entry_size))
732 return -EINVAL;
733
734 nomn:
735 for (i = 0; i < entries; i++) {
736 size_t offs;
737 __le32 flags, file_chiprev;
738 u8 chiprev = adapter->ahw.revision_id;
739 uint32_t flagbit;
740
741 offs = findex + (size_t)i * entry_size;
742 flags = cpu_to_le32(*((int *)&unirom[offs] + NX_UNI_FLAGS_OFF));
743 file_chiprev = cpu_to_le32(*((int *)&unirom[offs] +
744 NX_UNI_CHIP_REV_OFF));
745
746 flagbit = mn_present ? 1 : 2;
747
748 if ((chiprev == file_chiprev) &&
749 ((1ULL << flagbit) & flags)) {
> 750 adapter->file_prd_off = offs;
751 return 0;
752 }
753 }
754
755 if (mn_present && NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
756 mn_present = 0;
757 goto nomn;
758 }
759
760 return -EINVAL;
761 }
762

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