diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/scan.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/scan.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c index 86d598d5b68f..78694bc38e76 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c @@ -8,7 +8,7 @@ * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2016 - 2017 Intel Deutschland GmbH - * Copyright(c) 2018 Intel Corporation + * Copyright(c) 2018 - 2019 Intel Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -31,7 +31,7 @@ * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2016 - 2017 Intel Deutschland GmbH - * Copyright(c) 2018 Intel Corporation + * Copyright(c) 2018 - 2019 Intel Corporation * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -1580,6 +1580,11 @@ static int iwl_mvm_check_running_scans(struct iwl_mvm *mvm, int type) * scheduled scan before starting a normal scan. */ + /* FW supports only a single periodic scan */ + if ((type == IWL_MVM_SCAN_SCHED || type == IWL_MVM_SCAN_NETDETECT) && + mvm->scan_status & (IWL_MVM_SCAN_SCHED | IWL_MVM_SCAN_NETDETECT)) + return -EBUSY; + if (iwl_mvm_num_scans(mvm) < mvm->max_scans) return 0; @@ -1616,10 +1621,10 @@ static int iwl_mvm_check_running_scans(struct iwl_mvm *mvm, int type) if (mvm->scan_status & IWL_MVM_SCAN_SCHED_MASK) return iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, true); - - /* fall through, something is wrong if no scan was - * running but we ran out of scans. + /* Something is wrong if no scan was running but we + * ran out of scans. */ + /* fall through */ default: WARN_ON(1); break; @@ -1976,9 +1981,8 @@ static int iwl_mvm_scan_stop_wait(struct iwl_mvm *mvm, int type) return ret; } - ret = iwl_wait_notification(&mvm->notif_wait, &wait_scan_done, 1 * HZ); - - return ret; + return iwl_wait_notification(&mvm->notif_wait, &wait_scan_done, + 1 * HZ); } int iwl_mvm_scan_size(struct iwl_mvm *mvm) |