diff --git a/drivers/net/wireless/iwlwifi/mvm/scan.c b/drivers/net/wireless/iwlwifi/mvm/scan.c index 551f66d62045..785e99c17b4a 100644 --- a/drivers/net/wireless/iwlwifi/mvm/scan.c +++ b/drivers/net/wireless/iwlwifi/mvm/scan.c @@ -446,7 +446,7 @@ static int iwl_ssid_exist(u8 *ssid, u8 ssid_len, struct iwl_ssid_ie *ssid_list) } static void iwl_scan_offload_build_ssid(struct iwl_mvm_scan_params *params, - struct iwl_ssid_ie *direct_scan, + struct iwl_ssid_ie *ssid, u32 *ssid_bitmap) { int i, j; @@ -457,31 +457,34 @@ static void iwl_scan_offload_build_ssid(struct iwl_mvm_scan_params *params, * iwl_config_sched_scan_profiles() uses the order of these ssids to * config match list. */ - for (i = 0; i < params->n_match_sets && i < PROBE_OPTION_MAX; i++) { + for (i = 0, j = params->n_match_sets - 1; + j >= 0 && i < PROBE_OPTION_MAX; + i++, j--) { /* skip empty SSID matchsets */ - if (!params->match_sets[i].ssid.ssid_len) + if (!params->match_sets[j].ssid.ssid_len) continue; - direct_scan[i].id = WLAN_EID_SSID; - direct_scan[i].len = params->match_sets[i].ssid.ssid_len; - memcpy(direct_scan[i].ssid, params->match_sets[i].ssid.ssid, - direct_scan[i].len); + ssid[i].id = WLAN_EID_SSID; + ssid[i].len = params->match_sets[j].ssid.ssid_len; + memcpy(ssid[i].ssid, params->match_sets[j].ssid.ssid, + ssid[i].len); } /* add SSIDs from scan SSID list */ *ssid_bitmap = 0; - for (j = 0; j < params->n_ssids && i < PROBE_OPTION_MAX; j++) { + for (j = params->n_ssids - 1; + j >= 0 && i < PROBE_OPTION_MAX; + i++, j--) { index = iwl_ssid_exist(params->ssids[j].ssid, params->ssids[j].ssid_len, - direct_scan); + ssid); if (index < 0) { if (!params->ssids[j].ssid_len) continue; - direct_scan[i].id = WLAN_EID_SSID; - direct_scan[i].len = params->ssids[j].ssid_len; - memcpy(direct_scan[i].ssid, params->ssids[j].ssid, - direct_scan[i].len); + ssid[i].id = WLAN_EID_SSID; + ssid[i].len = params->ssids[j].ssid_len; + memcpy(ssid[i].ssid, params->ssids[j].ssid, + ssid[i].len); *ssid_bitmap |= BIT(i + 1); - i++; } else { *ssid_bitmap |= BIT(index + 1); }