linux-kernel - [ammarfaizi2-block:axboe/linux-block/m1/2022-02-19 493/552] drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c:4075:42: sparse: sparse: incorrect type in assignment (different base types)

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Message-ID: <202202211736.kxyu07D7-lkp@intel.com>
Date:   Mon, 21 Feb 2022 18:02:15 +0800
From:   kernel test robot <lkp@...el.com>
To:     Hector Martin <marcan@...can.st>
Cc:     kbuild-all@...ts.01.org,
        GNU/Weeb Mailing List <gwml@...r.gnuweeb.org>,
        linux-kernel@...r.kernel.org,
        Linus Walleij <linus.walleij@...aro.org>
Subject: [ammarfaizi2-block:axboe/linux-block/m1/2022-02-19 493/552]
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c:4075:42: sparse:
 sparse: incorrect type in assignment (different base types)

tree:   https://github.com/ammarfaizi2/linux-block axboe/linux-block/m1/2022-02-19
head:   b781e0ccdc0c9a931571d15db09d45b7258b9905
commit: 8ad0f256eccca6e552589c0814abe4bcff183a41 [493/552] brcmfmac: cfg80211: Add support for PMKID_V3 operations
config: i386-randconfig-s001-20220221 (https://download.01.org/0day-ci/archive/20220221/202202211736.kxyu07D7-lkp@intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.4-dirty
        # https://github.com/ammarfaizi2/linux-block/commit/8ad0f256eccca6e552589c0814abe4bcff183a41
        git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
        git fetch --no-tags ammarfaizi2-block axboe/linux-block/m1/2022-02-19
        git checkout 8ad0f256eccca6e552589c0814abe4bcff183a41
        # save the config file to linux build tree
        mkdir build_dir
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 SHELL=/bin/bash drivers/net/wireless/broadcom/brcm80211/brcmfmac/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>


sparse warnings: (new ones prefixed by >>)
   drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c:1087:28: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le16 [usertype] version @@     got int @@
   drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c:1087:28: sparse:     expected restricted __le16 [usertype] version
   drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c:1087:28: sparse:     got int
   drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c:1149:38: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le32 [usertype] scan_type @@     got int @@
   drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c:1149:38: sparse:     expected restricted __le32 [usertype] scan_type
   drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c:1149:38: sparse:     got int
   drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c:790:30: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned char [usertype] scan_type @@     got restricted __le32 [usertype] scan_type @@
   drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c:790:30: sparse:     expected unsigned char [usertype] scan_type
   drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c:790:30: sparse:     got restricted __le32 [usertype] scan_type
>> drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c:4075:42: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le32 [usertype] time_left @@     got unsigned int @@
   drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c:4075:42: sparse:     expected restricted __le32 [usertype] time_left
   drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c:4075:42: sparse:     got unsigned int

vim +4075 drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c

  4053	
  4054	static s32
  4055	brcmf_pmksa_v3_op(struct brcmf_if *ifp, struct cfg80211_pmksa *pmksa,
  4056			  bool alive)
  4057	{
  4058		struct brcmf_pmk_op_v3_le *pmk_op;
  4059		int length = offsetof(struct brcmf_pmk_op_v3_le, pmk);
  4060		int ret;
  4061	
  4062		pmk_op = kzalloc(sizeof(*pmk_op), GFP_KERNEL);
  4063		pmk_op->version = cpu_to_le16(BRCMF_PMKSA_VER_3);
  4064	
  4065		if (!pmksa) {
  4066			/* Flush operation, operate on entire list */
  4067			pmk_op->count = cpu_to_le16(0);
  4068		} else {
  4069			/* Single PMK operation */
  4070			pmk_op->count = cpu_to_le16(1);
  4071			length += sizeof(struct brcmf_pmksa_v3);
  4072			memcpy(pmk_op->pmk[0].bssid, pmksa->bssid, ETH_ALEN);
  4073			memcpy(pmk_op->pmk[0].pmkid, pmksa->pmkid, WLAN_PMKID_LEN);
  4074			pmk_op->pmk[0].pmkid_len = WLAN_PMKID_LEN;
> 4075			pmk_op->pmk[0].time_left = alive ? BRCMF_PMKSA_NO_EXPIRY : 0;
  4076		}
  4077	
  4078		pmk_op->length = cpu_to_le16(length);
  4079	
  4080		ret = brcmf_fil_iovar_data_set(ifp, "pmkid_info", pmk_op, sizeof(*pmk_op));
  4081		kfree(pmk_op);
  4082		return ret;
  4083	}
  4084	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org