Hi Sascha, kernel test robot noticed the following build warnings: [auto build test WARNING on wireless-next/main] [also build test WARNING on wireless/main linus/master v6.9 next-20240523] [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/Sascha-Hauer/wifi-mwifiex-fix-parsing-of-more-than-two-AKM-suites/20240523-161947 base: https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next.git main patch link: https://lore.kernel.org/r/20240523081428.2852276-1-s.hauer%40pengutronix.de patch subject: [PATCH] wifi: mwifiex: fix parsing of more than two AKM suites config: x86_64-randconfig-122-20240525 (https://download.01.org/0day-ci/archive/20240525/202405250631.g417GL0g-lkp@xxxxxxxxx/config) compiler: gcc-11 (Ubuntu 11.4.0-4ubuntu1) 11.4.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240525/202405250631.g417GL0g-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202405250631.g417GL0g-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> drivers/net/wireless/marvell/mwifiex/uap_cmd.c:54:17: sparse: sparse: cast to restricted __le16 drivers/net/wireless/marvell/mwifiex/uap_cmd.c:72:17: sparse: sparse: cast to restricted __le16 vim +54 drivers/net/wireless/marvell/mwifiex/uap_cmd.c 27 28 static void woal_check_rsn_ie(const struct IEEEtypes_Rsn_t *rsn_ie, int len, 29 struct mwifiex_uap_bss_param *bss_config, u8 *pairwise_cipher) 30 { 31 int left, count, i; 32 struct wpa_suite_ucast *key_mgmt; 33 34 left = len; 35 if (left < (int)sizeof(struct IEEEtypes_Rsn_t)) 36 return; 37 38 bss_config->wpa_cfg.group_cipher = 0; 39 *pairwise_cipher = 0; 40 bss_config->key_mgmt = 0; 41 42 /* check the group cipher */ 43 switch (be32_to_cpu(rsn_ie->group_cipher)) { 44 case WLAN_CIPHER_SUITE_TKIP: 45 bss_config->wpa_cfg.group_cipher = CIPHER_TKIP; 46 break; 47 case WLAN_CIPHER_SUITE_CCMP: 48 bss_config->wpa_cfg.group_cipher = CIPHER_AES_CCMP; 49 break; 50 default: 51 break; 52 } 53 > 54 count = le16_to_cpu(rsn_ie->pairwise_cipher.count); 55 for (i = 0; i < count; i++) { 56 switch (be32_to_cpu(rsn_ie->pairwise_cipher.suite[i])) { 57 case WLAN_CIPHER_SUITE_TKIP: 58 *pairwise_cipher |= CIPHER_TKIP; 59 break; 60 case WLAN_CIPHER_SUITE_CCMP: 61 *pairwise_cipher |= CIPHER_AES_CCMP; 62 break; 63 default: 64 break; 65 } 66 } 67 left -= sizeof(struct IEEEtypes_Rsn_t) + (count - 1) * sizeof(__be32); 68 if (left < (int)sizeof(struct wpa_suite_ucast)) 69 return; 70 71 key_mgmt = ((void *)rsn_ie + sizeof(struct IEEEtypes_Rsn_t) + (count - 1) * sizeof(__be32)); 72 count = le16_to_cpu(key_mgmt->count); 73 if (left < (int)(sizeof(struct wpa_suite_ucast) + 74 (count - 1) * sizeof(__be32))) 75 return; 76 77 for (i = 0; i < count; i++) { 78 switch (be32_to_cpu(key_mgmt->suite[i])) { 79 case WLAN_AKM_SUITE_8021X: 80 bss_config->key_mgmt |= KEY_MGMT_EAP; 81 break; 82 case WLAN_AKM_SUITE_PSK: 83 bss_config->key_mgmt |= KEY_MGMT_PSK; 84 break; 85 case WLAN_AKM_SUITE_PSK_SHA256: 86 bss_config->key_mgmt |= KEY_MGMT_PSK_SHA256; 87 break; 88 case WLAN_AKM_SUITE_SAE: 89 bss_config->key_mgmt |= KEY_MGMT_SAE; 90 break; 91 case WLAN_AKM_SUITE_OWE: 92 bss_config->key_mgmt |= KEY_MGMT_OWE; 93 break; 94 } 95 } 96 } 97 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
