linux-kernel - [asahilinux:bits/080-wifi 22/28] 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: <202205031736.gRzjuzo3-lkp@intel.com>
Date:   Tue, 3 May 2022 17:19:18 +0800
From:   kernel test robot <lkp@...el.com>
To:     Hector Martin <marcan@...can.st>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Linus Walleij <linus.walleij@...aro.org>
Subject: [asahilinux:bits/080-wifi 22/28]
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c:4075:42: sparse:
 sparse: incorrect type in assignment (different base types)

tree:   https://github.com/AsahiLinux/linux bits/080-wifi
head:   a61fbffc5fad05fe49dfd9a09b3c2482ac250d46
commit: 02dc276155c1728343ebf406ab567b56d3891f19 [22/28] brcmfmac: cfg80211: Add support for PMKID_V3 operations
config: mips-randconfig-s032-20220501 (https://download.01.org/0day-ci/archive/20220503/202205031736.gRzjuzo3-lkp@intel.com/config)
compiler: mipsel-linux-gcc (GCC) 11.3.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.4-dirty
        # https://github.com/AsahiLinux/linux/commit/02dc276155c1728343ebf406ab567b56d3891f19
        git remote add asahilinux https://github.com/AsahiLinux/linux
        git fetch --no-tags asahilinux bits/080-wifi
        git checkout 02dc276155c1728343ebf406ab567b56d3891f19
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=mips 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 >>)
   command-line: note: in included file:
   builtin:1:9: sparse: sparse: preprocessor token __ATOMIC_ACQUIRE redefined
   builtin:0:0: sparse: this was the original definition
   builtin:1:9: sparse: sparse: preprocessor token __ATOMIC_SEQ_CST redefined
   builtin:0:0: sparse: this was the original definition
   builtin:1:9: sparse: sparse: preprocessor token __ATOMIC_ACQ_REL redefined
   builtin:0:0: sparse: this was the original definition
   builtin:1:9: sparse: sparse: preprocessor token __ATOMIC_RELEASE redefined
   builtin:0:0: sparse: this was the original definition
   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	

-- 
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