Re: [PATCH] nfc: nci: Add skb length validation in nci_core_init_rsp_packet

[kernel test robot <lkp@intel.com>]

Hi Dudu,

kernel test robot noticed the following build errors:

[auto build test ERROR on net/main]
[also build test ERROR on net-next/main linus/master horms-ipvs/master v7.1-rc1 next-20260429]
[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/Dudu-Lu/nfc-nci-Add-skb-length-validation-in-nci_core_init_rsp_packet/20260423-210923
base:   net/main
patch link:    https://lore.kernel.org/r/20260413090102.77980-1-phx0fer%40gmail.com
patch subject: [PATCH] nfc: nci: Add skb length validation in nci_core_init_rsp_packet
config: arm64-randconfig-001-20260430 (https://download.01.org/0day-ci/archive/20260430/202604300902.FjrlfrkQ-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 8.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260430/202604300902.FjrlfrkQ-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/202604300902.FjrlfrkQ-lkp@intel.com/

All errors (new ones prefixed by >>):

>> net/nfc/nci/rsp.c:1:2: error: expected identifier or '(' before 'if'
     if (skb->len < sizeof(*rsp)) {
     ^~
   net/nfc/nci/rsp.c:5:2: error: expected identifier or '(' before 'if'
     if (skb->len < 6 + rsp_1->num_supported_rf_interfaces +
     ^~
   net/nfc/nci/rsp.c:10:2: error: expected identifier or '(' before 'if'
     if (skb->len < sizeof(*rsp_1))
     ^~


vim +1 net/nfc/nci/rsp.c

   > 1		if (skb->len < sizeof(*rsp)) {
     2			pr_err("short NCI_CORE_INIT_RSP v2 packet\n");
     3			return NCI_STATUS_SYNTAX_ERROR;
     4		}
     5		if (skb->len < 6 + rsp_1->num_supported_rf_interfaces +
     6				sizeof(*rsp_2)) {
     7			pr_err("short NCI_CORE_INIT_RSP v1 packet\n");
     8			return NCI_STATUS_SYNTAX_ERROR;
     9		}
    10		if (skb->len < sizeof(*rsp_1))
    11			return NCI_STATUS_SYNTAX_ERROR;
    12	// SPDX-License-Identifier: GPL-2.0-only
    13	/*
    14	 *  The NFC Controller Interface is the communication protocol between an
    15	 *  NFC Controller (NFCC) and a Device Host (DH).
    16	 *
    17	 *  Copyright (C) 2011 Texas Instruments, Inc.
    18	 *
    19	 *  Written by Ilan Elias <ilane@ti.com>
    20	 *
    21	 *  Acknowledgements:
    22	 *  This file is based on hci_event.c, which was written
    23	 *  by Maxim Krasnyansky.
    24	 */
    25	

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