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    Subject[asahilinux:bits/080-wifi 20/28] drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c:1087:28: sparse: sparse: incorrect type in assignment (different base types)
    tree:   https://github.com/AsahiLinux/linux bits/080-wifi
    head: a61fbffc5fad05fe49dfd9a09b3c2482ac250d46
    commit: 3535383eee14ca31f15355d05d4bcec4ae9ae09b [20/28] brcmfmac: cfg80211: Add support for scan params v2
    config: mips-randconfig-s032-20220501 (https://download.01.org/0day-ci/archive/20220503/202205031618.zjvgzw7q-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/3535383eee14ca31f15355d05d4bcec4ae9ae09b
    git remote add asahilinux https://github.com/AsahiLinux/linux
    git fetch --no-tags asahilinux bits/080-wifi
    git checkout 3535383eee14ca31f15355d05d4bcec4ae9ae09b
    # 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@intel.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

    vim +1087 drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c

    1069
    1070 static void brcmf_escan_prep(struct brcmf_cfg80211_info *cfg,
    1071 struct brcmf_scan_params_v2_le *params_le,
    1072 struct cfg80211_scan_request *request)
    1073 {
    1074 u32 n_ssids;
    1075 u32 n_channels;
    1076 s32 i;
    1077 s32 offset;
    1078 u16 chanspec;
    1079 char *ptr;
    1080 int length;
    1081 struct brcmf_ssid_le ssid_le;
    1082
    1083 eth_broadcast_addr(params_le->bssid);
    1084
    1085 length = BRCMF_SCAN_PARAMS_V2_FIXED_SIZE;
    1086
    > 1087 params_le->version = BRCMF_SCAN_PARAMS_VERSION_V2;
    1088 params_le->bss_type = DOT11_BSSTYPE_ANY;
    1089 params_le->scan_type = BRCMF_SCANTYPE_ACTIVE;
    1090 params_le->channel_num = 0;
    1091 params_le->nprobes = cpu_to_le32(-1);
    1092 params_le->active_time = cpu_to_le32(-1);
    1093 params_le->passive_time = cpu_to_le32(-1);
    1094 params_le->home_time = cpu_to_le32(-1);
    1095 memset(&params_le->ssid_le, 0, sizeof(params_le->ssid_le));
    1096
    1097 /* Scan abort */
    1098 if (!request) {
    1099 length += sizeof(u16);
    1100 params_le->channel_num = cpu_to_le32(1);
    1101 params_le->channel_list[0] = cpu_to_le16(-1);
    1102 params_le->length = cpu_to_le16(length);
    1103 return;
    1104 }
    1105
    1106 n_ssids = request->n_ssids;
    1107 n_channels = request->n_channels;
    1108
    1109 /* Copy channel array if applicable */
    1110 brcmf_dbg(SCAN, "### List of channelspecs to scan ### %d\n",
    1111 n_channels);
    1112 if (n_channels > 0) {
    1113 length += roundup(sizeof(u16) * n_channels, sizeof(u32));
    1114 for (i = 0; i < n_channels; i++) {
    1115 chanspec = channel_to_chanspec(&cfg->d11inf,
    1116 request->channels[i]);
    1117 brcmf_dbg(SCAN, "Chan : %d, Channel spec: %x\n",
    1118 request->channels[i]->hw_value, chanspec);
    1119 params_le->channel_list[i] = cpu_to_le16(chanspec);
    1120 }
    1121 } else {
    1122 brcmf_dbg(SCAN, "Scanning all channels\n");
    1123 }
    1124
    1125 /* Copy ssid array if applicable */
    1126 brcmf_dbg(SCAN, "### List of SSIDs to scan ### %d\n", n_ssids);
    1127 if (n_ssids > 0) {
    1128 offset = offsetof(struct brcmf_scan_params_v2_le, channel_list) +
    1129 n_channels * sizeof(u16);
    1130 offset = roundup(offset, sizeof(u32));
    1131 length += sizeof(ssid_le) * n_ssids,
    1132 ptr = (char *)params_le + offset;
    1133 for (i = 0; i < n_ssids; i++) {
    1134 memset(&ssid_le, 0, sizeof(ssid_le));
    1135 ssid_le.SSID_len =
    1136 cpu_to_le32(request->ssids[i].ssid_len);
    1137 memcpy(ssid_le.SSID, request->ssids[i].ssid,
    1138 request->ssids[i].ssid_len);
    1139 if (!ssid_le.SSID_len)
    1140 brcmf_dbg(SCAN, "%d: Broadcast scan\n", i);
    1141 else
    1142 brcmf_dbg(SCAN, "%d: scan for %.32s size=%d\n",
    1143 i, ssid_le.SSID, ssid_le.SSID_len);
    1144 memcpy(ptr, &ssid_le, sizeof(ssid_le));
    1145 ptr += sizeof(ssid_le);
    1146 }
    1147 } else {
    1148 brcmf_dbg(SCAN, "Performing passive scan\n");
    > 1149 params_le->scan_type = BRCMF_SCANTYPE_PASSIVE;
    1150 }
    1151 params_le->length = cpu_to_le16(length);
    1152 /* Adding mask to channel numbers */
    1153 params_le->channel_num =
    1154 cpu_to_le32((n_ssids << BRCMF_SCAN_PARAMS_NSSID_SHIFT) |
    1155 (n_channels & BRCMF_SCAN_PARAMS_COUNT_MASK));
    1156 }
    1157

    --
    0-DAY CI Kernel Test Service
    https://01.org/lkp

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