On Tue, 30 Jan 2018 02:13:53 +0800 kbuild test robot <l...@intel.com> wrote:
> Hi Ajay, > > Thank you for the patch! Perhaps something to improve: > > [auto build test WARNING on staging/staging-testing] > [cannot apply to v4.15 next-20180126] > [if your patch is applied to the wrong git tree, please drop us a note to > help improve the system] > > url: > https://github.com/0day-ci/linux/commits/Ajay-Singh/fix-to-remove-unnecessary-parenthesis-typedef-and-avoid-camelCase/20180123-115314 > > New smatch warnings: > drivers/staging/wilc1000/host_interface.c:937 handle_connect() error: > potential null dereference 'hif_drv->usr_conn_req.ssid'. (kmalloc returns > null) > > Old smatch warnings: > drivers/staging/wilc1000/host_interface.c:514 handle_cfg_param() warn: always > true condition '(cfg_param_attr->auth_timeout < 65536) => (0-u16max < 65536)' > drivers/staging/wilc1000/host_interface.c:583 handle_cfg_param() warn: always > true condition '(cfg_param_attr->rts_threshold < 65536) => (0-u16max < 65536)' > drivers/staging/wilc1000/host_interface.c:636 handle_cfg_param() warn: always > true condition '(cfg_param_attr->beacon_interval < 65536) => (0-u16max < > 65536)' > drivers/staging/wilc1000/host_interface.c:677 handle_cfg_param() warn: always > true condition '(cfg_param_attr->site_survey_scan_time < 65536) => (0-u16max > < 65536)' > drivers/staging/wilc1000/host_interface.c:691 handle_cfg_param() warn: always > true condition '(cfg_param_attr->active_scan_time < 65536) => (0-u16max < > 65536)' > drivers/staging/wilc1000/host_interface.c:705 handle_cfg_param() warn: always > true condition '(cfg_param_attr->passive_scan_time < 65536) => (0-u16max < > 65536)' > > vim +937 drivers/staging/wilc1000/host_interface.c > > c5c77ba1 Johnny Kim 2015-05-11 903 > e554a305 Leo Kim 2015-11-19 904 u8 wilc_connected_ssid[6] = {0}; > cd1931cf Ajay Singh 2018-01-22 905 static s32 handle_connect(struct > wilc_vif *vif, > 3891285c Ajay Singh 2018-01-22 906 struct > connect_attr *attr) > c5c77ba1 Johnny Kim 2015-05-11 907 { > 31390eec Leo Kim 2015-10-19 908 s32 result = 0; > 5a99cdf9 Ajay Singh 2018-01-22 909 struct wid wid_list[8]; > 7046f41b Ajay Singh 2018-01-22 910 u32 wid_cnt = 0, dummyval = 0; > 44ea7461 Ajay Singh 2018-01-22 911 u8 *cur_byte = NULL; > 5e18dd82 Ajay Singh 2018-01-22 912 struct join_bss_param > *bss_param; > 71130e81 Glen Lee 2015-12-21 913 struct host_if_drv *hif_drv = > vif->hif_drv; > c5c77ba1 Johnny Kim 2015-05-11 914 > 3891285c Ajay Singh 2018-01-22 915 if (memcmp(attr->bssid, > wilc_connected_ssid, ETH_ALEN) == 0) { > 31390eec Leo Kim 2015-10-19 916 result = 0; > b92f9304 Chris Park 2016-02-22 917 netdev_err(vif->ndev, > "Discard connect request\n"); > 31390eec Leo Kim 2015-10-19 918 return result; > c5c77ba1 Johnny Kim 2015-05-11 919 } > c5c77ba1 Johnny Kim 2015-05-11 920 > 5e18dd82 Ajay Singh 2018-01-22 921 bss_param = attr->params; > 5e18dd82 Ajay Singh 2018-01-22 922 if (!bss_param) { > b92f9304 Chris Park 2016-02-22 923 netdev_err(vif->ndev, > "Required BSSID not found\n"); > 31390eec Leo Kim 2015-10-19 924 result = -ENOENT; > 24db713f Leo Kim 2015-09-16 925 goto ERRORHANDLER; > c5c77ba1 Johnny Kim 2015-05-11 926 } > c5c77ba1 Johnny Kim 2015-05-11 927 > 3891285c Ajay Singh 2018-01-22 928 if (attr->bssid) { > 788f6fc0 Chaehyun Lim 2016-02-12 929 > hif_drv->usr_conn_req.bssid = kmalloc(6, GFP_KERNEL); > 3891285c Ajay Singh 2018-01-22 930 > memcpy(hif_drv->usr_conn_req.bssid, attr->bssid, 6); > c5c77ba1 Johnny Kim 2015-05-11 931 } > c5c77ba1 Johnny Kim 2015-05-11 932 > 3891285c Ajay Singh 2018-01-22 933 hif_drv->usr_conn_req.ssid_len > = attr->ssid_len; > 3891285c Ajay Singh 2018-01-22 934 if (attr->ssid) { > 3891285c Ajay Singh 2018-01-22 935 > hif_drv->usr_conn_req.ssid = kmalloc(attr->ssid_len + 1, GFP_KERNEL); > 3891285c Ajay Singh 2018-01-22 936 > memcpy(hif_drv->usr_conn_req.ssid, attr->ssid, attr->ssid_len); > 3891285c Ajay Singh 2018-01-22 @937 > hif_drv->usr_conn_req.ssid[attr->ssid_len] = '\0'; > c5c77ba1 Johnny Kim 2015-05-11 938 } > c5c77ba1 Johnny Kim 2015-05-11 939 > 3891285c Ajay Singh 2018-01-22 940 hif_drv->usr_conn_req.ies_len = > attr->ies_len; > 3891285c Ajay Singh 2018-01-22 941 if (attr->ies) { > 3891285c Ajay Singh 2018-01-22 942 > hif_drv->usr_conn_req.ies = kmalloc(attr->ies_len, GFP_KERNEL); > 3891285c Ajay Singh 2018-01-22 943 > memcpy(hif_drv->usr_conn_req.ies, attr->ies, attr->ies_len); > c5c77ba1 Johnny Kim 2015-05-11 944 } > c5c77ba1 Johnny Kim 2015-05-11 945 > 3891285c Ajay Singh 2018-01-22 946 hif_drv->usr_conn_req.security > = attr->security; > 3891285c Ajay Singh 2018-01-22 947 hif_drv->usr_conn_req.auth_type > = attr->auth_type; > 3891285c Ajay Singh 2018-01-22 948 > hif_drv->usr_conn_req.conn_result = attr->result; > 3891285c Ajay Singh 2018-01-22 949 hif_drv->usr_conn_req.arg = > attr->arg; > c5c77ba1 Johnny Kim 2015-05-11 950 > 7046f41b Ajay Singh 2018-01-22 951 wid_list[wid_cnt].id = > WID_SUCCESS_FRAME_COUNT; > 7046f41b Ajay Singh 2018-01-22 952 wid_list[wid_cnt].type = > WID_INT; > 7046f41b Ajay Singh 2018-01-22 953 wid_list[wid_cnt].size = > sizeof(u32); > 7046f41b Ajay Singh 2018-01-22 954 wid_list[wid_cnt].val = (s8 > *)(&(dummyval)); > 7046f41b Ajay Singh 2018-01-22 955 wid_cnt++; > c5c77ba1 Johnny Kim 2015-05-11 956 > 7046f41b Ajay Singh 2018-01-22 957 wid_list[wid_cnt].id = > WID_RECEIVED_FRAGMENT_COUNT; > 7046f41b Ajay Singh 2018-01-22 958 wid_list[wid_cnt].type = > WID_INT; > 7046f41b Ajay Singh 2018-01-22 959 wid_list[wid_cnt].size = > sizeof(u32); > 7046f41b Ajay Singh 2018-01-22 960 wid_list[wid_cnt].val = (s8 > *)(&(dummyval)); > 7046f41b Ajay Singh 2018-01-22 961 wid_cnt++; > c5c77ba1 Johnny Kim 2015-05-11 962 > 7046f41b Ajay Singh 2018-01-22 963 wid_list[wid_cnt].id = > WID_FAILED_COUNT; > 7046f41b Ajay Singh 2018-01-22 964 wid_list[wid_cnt].type = > WID_INT; > 7046f41b Ajay Singh 2018-01-22 965 wid_list[wid_cnt].size = > sizeof(u32); > 7046f41b Ajay Singh 2018-01-22 966 wid_list[wid_cnt].val = (s8 > *)(&(dummyval)); > 7046f41b Ajay Singh 2018-01-22 967 wid_cnt++; > c5c77ba1 Johnny Kim 2015-05-11 968 > c5c77ba1 Johnny Kim 2015-05-11 969 { > 7046f41b Ajay Singh 2018-01-22 970 wid_list[wid_cnt].id = > WID_INFO_ELEMENT_ASSOCIATE; > 7046f41b Ajay Singh 2018-01-22 971 wid_list[wid_cnt].type > = WID_BIN_DATA; > 7046f41b Ajay Singh 2018-01-22 972 wid_list[wid_cnt].val = > hif_drv->usr_conn_req.ies; > 7046f41b Ajay Singh 2018-01-22 973 wid_list[wid_cnt].size > = hif_drv->usr_conn_req.ies_len; > 7046f41b Ajay Singh 2018-01-22 974 wid_cnt++; > c5c77ba1 Johnny Kim 2015-05-11 975 > 3891285c Ajay Singh 2018-01-22 976 if (memcmp("DIRECT-", > attr->ssid, 7)) { > 331ed080 Leo Kim 2015-10-29 977 > info_element_size = hif_drv->usr_conn_req.ies_len; > dfef7b84 Leo Kim 2015-10-15 978 info_element = > kmalloc(info_element_size, GFP_KERNEL); > a3b2f4b9 Leo Kim 2015-10-29 979 > memcpy(info_element, hif_drv->usr_conn_req.ies, > dfef7b84 Leo Kim 2015-10-15 980 > info_element_size); > c5c77ba1 Johnny Kim 2015-05-11 981 } > c5c77ba1 Johnny Kim 2015-05-11 982 } > 7046f41b Ajay Singh 2018-01-22 983 wid_list[wid_cnt].id = > (u16)WID_11I_MODE; > 7046f41b Ajay Singh 2018-01-22 984 wid_list[wid_cnt].type = > WID_CHAR; > 7046f41b Ajay Singh 2018-01-22 985 wid_list[wid_cnt].size = > sizeof(char); > 7046f41b Ajay Singh 2018-01-22 986 wid_list[wid_cnt].val = (s8 > *)&hif_drv->usr_conn_req.security; > 7046f41b Ajay Singh 2018-01-22 987 wid_cnt++; > c5c77ba1 Johnny Kim 2015-05-11 988 > 3891285c Ajay Singh 2018-01-22 989 if (memcmp("DIRECT-", > attr->ssid, 7)) > a0942c57 Chaehyun Lim 2016-02-12 990 mode_11i = > hif_drv->usr_conn_req.security; > c5c77ba1 Johnny Kim 2015-05-11 991 > 7046f41b Ajay Singh 2018-01-22 992 wid_list[wid_cnt].id = > (u16)WID_AUTH_TYPE; > 7046f41b Ajay Singh 2018-01-22 993 wid_list[wid_cnt].type = > WID_CHAR; > 7046f41b Ajay Singh 2018-01-22 994 wid_list[wid_cnt].size = > sizeof(char); > 7046f41b Ajay Singh 2018-01-22 995 wid_list[wid_cnt].val = (s8 > *)&hif_drv->usr_conn_req.auth_type; > 7046f41b Ajay Singh 2018-01-22 996 wid_cnt++; > c5c77ba1 Johnny Kim 2015-05-11 997 > 3891285c Ajay Singh 2018-01-22 998 if (memcmp("DIRECT-", > attr->ssid, 7)) > 7d069728 Leo Kim 2015-10-29 999 auth_type = > (u8)hif_drv->usr_conn_req.auth_type; > c5c77ba1 Johnny Kim 2015-05-11 1000 > 7046f41b Ajay Singh 2018-01-22 1001 wid_list[wid_cnt].id = > (u16)WID_JOIN_REQ_EXTENDED; > 7046f41b Ajay Singh 2018-01-22 1002 wid_list[wid_cnt].type = > WID_STR; > 7046f41b Ajay Singh 2018-01-22 1003 wid_list[wid_cnt].size = 112; > 7046f41b Ajay Singh 2018-01-22 1004 wid_list[wid_cnt].val = > kmalloc(wid_list[wid_cnt].size, GFP_KERNEL); > c5c77ba1 Johnny Kim 2015-05-11 1005 > 3891285c Ajay Singh 2018-01-22 1006 if (memcmp("DIRECT-", > attr->ssid, 7)) { > 7046f41b Ajay Singh 2018-01-22 1007 join_req_size = > wid_list[wid_cnt].size; > 0626baaa Leo Kim 2015-10-15 1008 join_req = > kmalloc(join_req_size, GFP_KERNEL); > c5c77ba1 Johnny Kim 2015-05-11 1009 } > 7046f41b Ajay Singh 2018-01-22 1010 if (!wid_list[wid_cnt].val) { > 31390eec Leo Kim 2015-10-19 1011 result = -EFAULT; > 24db713f Leo Kim 2015-09-16 1012 goto ERRORHANDLER; > 24db713f Leo Kim 2015-09-16 1013 } > c5c77ba1 Johnny Kim 2015-05-11 1014 > 44ea7461 Ajay Singh 2018-01-22 1015 cur_byte = > wid_list[wid_cnt].val; > c5c77ba1 Johnny Kim 2015-05-11 1016 > 3891285c Ajay Singh 2018-01-22 1017 if (attr->ssid) { > 3891285c Ajay Singh 2018-01-22 1018 memcpy(cur_byte, > attr->ssid, attr->ssid_len); > 3891285c Ajay Singh 2018-01-22 1019 > cur_byte[attr->ssid_len] = '\0'; > c5c77ba1 Johnny Kim 2015-05-11 1020 } > 44ea7461 Ajay Singh 2018-01-22 1021 cur_byte += MAX_SSID_LEN; > 44ea7461 Ajay Singh 2018-01-22 1022 *(cur_byte++) = INFRASTRUCTURE; > ae4dfa57 Leo Kim 2015-10-13 1023 > 3891285c Ajay Singh 2018-01-22 1024 if (attr->ch >= 1 && attr->ch > <= 14) { > 3891285c Ajay Singh 2018-01-22 1025 *(cur_byte++) = > attr->ch; > c5c77ba1 Johnny Kim 2015-05-11 1026 } else { > b92f9304 Chris Park 2016-02-22 1027 netdev_err(vif->ndev, > "Channel out of range\n"); > 44ea7461 Ajay Singh 2018-01-22 1028 *(cur_byte++) = 0xFF; > c5c77ba1 Johnny Kim 2015-05-11 1029 } > 5e18dd82 Ajay Singh 2018-01-22 1030 *(cur_byte++) = > (bss_param->cap_info) & 0xFF; > 5e18dd82 Ajay Singh 2018-01-22 1031 *(cur_byte++) = > ((bss_param->cap_info) >> 8) & 0xFF; > c5c77ba1 Johnny Kim 2015-05-11 1032 > 3891285c Ajay Singh 2018-01-22 1033 if (attr->bssid) > 3891285c Ajay Singh 2018-01-22 1034 memcpy(cur_byte, > attr->bssid, 6); > 44ea7461 Ajay Singh 2018-01-22 1035 cur_byte += 6; > c5c77ba1 Johnny Kim 2015-05-11 1036 > 3891285c Ajay Singh 2018-01-22 1037 if (attr->bssid) > 3891285c Ajay Singh 2018-01-22 1038 memcpy(cur_byte, > attr->bssid, 6); > 44ea7461 Ajay Singh 2018-01-22 1039 cur_byte += 6; > c0f52fba Tony Cho 2015-10-20 1040 > 5e18dd82 Ajay Singh 2018-01-22 1041 *(cur_byte++) = > (bss_param->beacon_period) & 0xFF; > 5e18dd82 Ajay Singh 2018-01-22 1042 *(cur_byte++) = > ((bss_param->beacon_period) >> 8) & 0xFF; > 5e18dd82 Ajay Singh 2018-01-22 1043 *(cur_byte++) = > bss_param->dtim_period; > ae4dfa57 Leo Kim 2015-10-13 1044 > 5e18dd82 Ajay Singh 2018-01-22 1045 memcpy(cur_byte, > bss_param->supp_rates, MAX_RATES_SUPPORTED + 1); > 44ea7461 Ajay Singh 2018-01-22 1046 cur_byte += > (MAX_RATES_SUPPORTED + 1); > c5c77ba1 Johnny Kim 2015-05-11 1047 > 5e18dd82 Ajay Singh 2018-01-22 1048 *(cur_byte++) = > bss_param->wmm_cap; > 5e18dd82 Ajay Singh 2018-01-22 1049 *(cur_byte++) = > bss_param->uapsd_cap; > c5c77ba1 Johnny Kim 2015-05-11 1050 > 5e18dd82 Ajay Singh 2018-01-22 1051 *(cur_byte++) = > bss_param->ht_capable; > 5e18dd82 Ajay Singh 2018-01-22 1052 > hif_drv->usr_conn_req.ht_capable = bss_param->ht_capable; > c5c77ba1 Johnny Kim 2015-05-11 1053 > 5e18dd82 Ajay Singh 2018-01-22 1054 *(cur_byte++) = > bss_param->rsn_found; > 5e18dd82 Ajay Singh 2018-01-22 1055 *(cur_byte++) = > bss_param->rsn_grp_policy; > 5e18dd82 Ajay Singh 2018-01-22 1056 *(cur_byte++) = > bss_param->mode_802_11i; > ae4dfa57 Leo Kim 2015-10-13 1057 > 5e18dd82 Ajay Singh 2018-01-22 1058 memcpy(cur_byte, > bss_param->rsn_pcip_policy, sizeof(bss_param->rsn_pcip_policy)); > 5e18dd82 Ajay Singh 2018-01-22 1059 cur_byte += > sizeof(bss_param->rsn_pcip_policy); > c5c77ba1 Johnny Kim 2015-05-11 1060 > 5e18dd82 Ajay Singh 2018-01-22 1061 memcpy(cur_byte, > bss_param->rsn_auth_policy, sizeof(bss_param->rsn_auth_policy)); > 5e18dd82 Ajay Singh 2018-01-22 1062 cur_byte += > sizeof(bss_param->rsn_auth_policy); > c5c77ba1 Johnny Kim 2015-05-11 1063 > 5e18dd82 Ajay Singh 2018-01-22 1064 memcpy(cur_byte, > bss_param->rsn_cap, sizeof(bss_param->rsn_cap)); > 5e18dd82 Ajay Singh 2018-01-22 1065 cur_byte += > sizeof(bss_param->rsn_cap); > c5c77ba1 Johnny Kim 2015-05-11 1066 > 44ea7461 Ajay Singh 2018-01-22 1067 *(cur_byte++) = REAL_JOIN_REQ; > 5e18dd82 Ajay Singh 2018-01-22 1068 *(cur_byte++) = > bss_param->noa_enabled; > c5c77ba1 Johnny Kim 2015-05-11 1069 > 5e18dd82 Ajay Singh 2018-01-22 1070 if (bss_param->noa_enabled) { > 5e18dd82 Ajay Singh 2018-01-22 1071 *(cur_byte++) = > (bss_param->tsf) & 0xFF; > 5e18dd82 Ajay Singh 2018-01-22 1072 *(cur_byte++) = > ((bss_param->tsf) >> 8) & 0xFF; > 5e18dd82 Ajay Singh 2018-01-22 1073 *(cur_byte++) = > ((bss_param->tsf) >> 16) & 0xFF; > 5e18dd82 Ajay Singh 2018-01-22 1074 *(cur_byte++) = > ((bss_param->tsf) >> 24) & 0xFF; > c5c77ba1 Johnny Kim 2015-05-11 1075 > 5e18dd82 Ajay Singh 2018-01-22 1076 *(cur_byte++) = > bss_param->opp_enabled; > 5e18dd82 Ajay Singh 2018-01-22 1077 *(cur_byte++) = > bss_param->idx; > c5c77ba1 Johnny Kim 2015-05-11 1078 > 5e18dd82 Ajay Singh 2018-01-22 1079 if > (bss_param->opp_enabled) > 5e18dd82 Ajay Singh 2018-01-22 1080 *(cur_byte++) = > bss_param->ct_window; > c5c77ba1 Johnny Kim 2015-05-11 1081 > 5e18dd82 Ajay Singh 2018-01-22 1082 *(cur_byte++) = > bss_param->cnt; > c5c77ba1 Johnny Kim 2015-05-11 1083 > 5e18dd82 Ajay Singh 2018-01-22 1084 memcpy(cur_byte, > bss_param->duration, sizeof(bss_param->duration)); > 5e18dd82 Ajay Singh 2018-01-22 1085 cur_byte += > sizeof(bss_param->duration); > c5c77ba1 Johnny Kim 2015-05-11 1086 > 5e18dd82 Ajay Singh 2018-01-22 1087 memcpy(cur_byte, > bss_param->interval, sizeof(bss_param->interval)); > 5e18dd82 Ajay Singh 2018-01-22 1088 cur_byte += > sizeof(bss_param->interval); > c5c77ba1 Johnny Kim 2015-05-11 1089 > 5e18dd82 Ajay Singh 2018-01-22 1090 memcpy(cur_byte, > bss_param->start_time, sizeof(bss_param->start_time)); > 5e18dd82 Ajay Singh 2018-01-22 1091 cur_byte += > sizeof(bss_param->start_time); > c4f97526 Chris Park 2016-02-04 1092 } > c5c77ba1 Johnny Kim 2015-05-11 1093 > 44ea7461 Ajay Singh 2018-01-22 1094 cur_byte = > wid_list[wid_cnt].val; > 7046f41b Ajay Singh 2018-01-22 1095 wid_cnt++; > c5c77ba1 Johnny Kim 2015-05-11 1096 > 3891285c Ajay Singh 2018-01-22 1097 if (memcmp("DIRECT-", > attr->ssid, 7)) { > 44ea7461 Ajay Singh 2018-01-22 1098 memcpy(join_req, > cur_byte, join_req_size); > 7036c624 Glen Lee 2015-12-21 1099 join_req_vif = vif; > c5c77ba1 Johnny Kim 2015-05-11 1100 } > c5c77ba1 Johnny Kim 2015-05-11 1101 > 3891285c Ajay Singh 2018-01-22 1102 if (attr->bssid) > 3891285c Ajay Singh 2018-01-22 1103 > memcpy(wilc_connected_ssid,attr->bssid, ETH_ALEN); > c5c77ba1 Johnny Kim 2015-05-11 1104 > 5a99cdf9 Ajay Singh 2018-01-22 1105 result = > wilc_send_config_pkt(vif, SET_CFG, wid_list, > 7046f41b Ajay Singh 2018-01-22 1106 > wid_cnt, > eb9939b7 Glen Lee 2015-12-21 1107 > wilc_get_vif_idx(vif)); > 31390eec Leo Kim 2015-10-19 1108 if (result) { > b92f9304 Chris Park 2016-02-22 1109 netdev_err(vif->ndev, > "failed to send config packet\n"); > 31390eec Leo Kim 2015-10-19 1110 result = -EFAULT; > 24db713f Leo Kim 2015-09-16 1111 goto ERRORHANDLER; > c5c77ba1 Johnny Kim 2015-05-11 1112 } else { > b60005a8 Leo Kim 2015-10-29 1113 hif_drv->hif_state = > HOST_IF_WAITING_CONN_RESP; > c5c77ba1 Johnny Kim 2015-05-11 1114 } > c5c77ba1 Johnny Kim 2015-05-11 1115 > 24db713f Leo Kim 2015-09-16 1116 ERRORHANDLER: > 31390eec Leo Kim 2015-10-19 1117 if (result) { > 6a247004 Ajay Singh 2018-01-22 1118 struct connect_info > conn_info; > c5c77ba1 Johnny Kim 2015-05-11 1119 > 81a59506 Leo Kim 2015-10-29 1120 > del_timer(&hif_drv->connect_timer); > c5c77ba1 Johnny Kim 2015-05-11 1121 > 6a247004 Ajay Singh 2018-01-22 1122 memset(&conn_info, 0, > sizeof(struct connect_info)); > c5c77ba1 Johnny Kim 2015-05-11 1123 > 3891285c Ajay Singh 2018-01-22 1124 if (attr->result) { > 3891285c Ajay Singh 2018-01-22 1125 if (attr->bssid) > 6a247004 Ajay Singh 2018-01-22 1126 > memcpy(conn_info.bssid, attr->bssid, 6); > c5c77ba1 Johnny Kim 2015-05-11 1127 > 3891285c Ajay Singh 2018-01-22 1128 if (attr->ies) { > 6a247004 Ajay Singh 2018-01-22 1129 > conn_info.req_ies_len = attr->ies_len; > 6a247004 Ajay Singh 2018-01-22 1130 > conn_info.req_ies = kmalloc(attr->ies_len, GFP_KERNEL); > 6a247004 Ajay Singh 2018-01-22 1131 > memcpy(conn_info.req_ies, attr->ies, attr->ies_len); > c5c77ba1 Johnny Kim 2015-05-11 1132 } > c5c77ba1 Johnny Kim 2015-05-11 1133 > 3891285c Ajay Singh 2018-01-22 1134 > attr->result(CONN_DISCONN_EVENT_CONN_RESP, > 6a247004 Ajay Singh 2018-01-22 1135 > &conn_info, > c5c77ba1 Johnny Kim 2015-05-11 1136 > MAC_DISCONNECTED, > c5c77ba1 Johnny Kim 2015-05-11 1137 > NULL, > 3891285c Ajay Singh 2018-01-22 1138 > attr->arg); > b60005a8 Leo Kim 2015-10-29 1139 > hif_drv->hif_state = HOST_IF_IDLE; > 6a247004 Ajay Singh 2018-01-22 1140 > kfree(conn_info.req_ies); > 6a247004 Ajay Singh 2018-01-22 1141 > conn_info.req_ies = NULL; > c5c77ba1 Johnny Kim 2015-05-11 1142 > c5c77ba1 Johnny Kim 2015-05-11 1143 } else { > b92f9304 Chris Park 2016-02-22 1144 > netdev_err(vif->ndev, "Connect callback is NULL\n"); > c5c77ba1 Johnny Kim 2015-05-11 1145 } > c5c77ba1 Johnny Kim 2015-05-11 1146 } > c5c77ba1 Johnny Kim 2015-05-11 1147 > 3891285c Ajay Singh 2018-01-22 1148 kfree(attr->bssid); > 3891285c Ajay Singh 2018-01-22 1149 attr->bssid = NULL; > c5c77ba1 Johnny Kim 2015-05-11 1150 > 3891285c Ajay Singh 2018-01-22 1151 kfree(attr->ssid); > 3891285c Ajay Singh 2018-01-22 1152 attr->ssid = NULL; > c5c77ba1 Johnny Kim 2015-05-11 1153 > 3891285c Ajay Singh 2018-01-22 1154 kfree(attr->ies); > 3891285c Ajay Singh 2018-01-22 1155 attr->ies = NULL; > c5c77ba1 Johnny Kim 2015-05-11 1156 > 44ea7461 Ajay Singh 2018-01-22 1157 kfree(cur_byte); > 31390eec Leo Kim 2015-10-19 1158 return result; > c5c77ba1 Johnny Kim 2015-05-11 1159 } > c5c77ba1 Johnny Kim 2015-05-11 1160 > > :::::: The code at line 937 was first introduced by commit > :::::: 3891285c9a8a05a4789a3c286d7f9bdbde6b23c7 staging: wilc1000: rename > pstrHostIFconnectAttr argument to avoid camelCase The patch only change variable names to avoid the camelCase, didn't modify any extra code to dereference memory. I think, with the use of shorter variable name now memcpy() is taking 1 line instead of 3 lines. So, now line 937 has different code line(as code is swifted up by few lines).So because of that new potential NULL dereference error is popped up for same existing code. The code to validate dynamically allocated memory before access, will be include in separate patch to keep it segregated from variable names changes. I will rework on this patch and resend again. > > :::::: TO: Ajay Singh <ajay.kat...@microchip.com> > :::::: CC: 0day robot <fengguang...@intel.com> > > --- > 0-DAY kernel test infrastructure Open Source Technology Center > https://lists.01.org/pipermail/kbuild-all Intel Corporation _______________________________________________ devel mailing list de...@linuxdriverproject.org http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
