diff options
| author | Luciano Coelho <luciano.coelho@intel.com> | 2015-03-20 09:29:42 +0200 |
|---|---|---|
| committer | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2015-04-29 13:12:48 +0300 |
| commit | 4171bb3346dd8e9f3e996fd43271616181208285 (patch) | |
| tree | fef18c1737dfb99ddaf8ef867ce2d39ab6d60450 /drivers/net/wireless/iwlwifi | |
| parent | bd9564da3dd2ab96c34f9dce4fd546f6c2fb08a1 (diff) | |
iwlwifi: mvm: check if scan can be started before cancelling other scans
If a new scan cannot be run for some reason, we shouldn't cancel other
ongoing scans. Move the checks to before the code that cancels other
scans.
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/mac80211.c | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c index 15dc4a4c8132..f57d584c288a 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c @@ -2387,13 +2387,6 @@ static int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw, mutex_lock(&mvm->mutex); - if (!(mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN) && - (mvm->scan_status & IWL_MVM_SCAN_SCHED)) { - ret = iwl_mvm_scan_offload_stop(mvm, true); - if (ret) - goto out; - } - if (iwl_mvm_is_lar_supported(mvm) && !mvm->lar_regdom_set) { IWL_ERR(mvm, "scan while LAR regdomain is not set\n"); ret = -EBUSY; @@ -2405,6 +2398,13 @@ static int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw, goto out; } + if (!(mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN) && + (mvm->scan_status & IWL_MVM_SCAN_SCHED)) { + ret = iwl_mvm_scan_offload_stop(mvm, true); + if (ret) + goto out; + } + iwl_mvm_ref(mvm, IWL_MVM_REF_SCAN); if (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN) @@ -2758,13 +2758,6 @@ static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw, mutex_lock(&mvm->mutex); - if (!(mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN) && - (mvm->scan_status & IWL_MVM_SCAN_REGULAR)) { - ret = iwl_mvm_cancel_scan(mvm); - if (ret) - goto out; - } - if (iwl_mvm_is_lar_supported(mvm) && !mvm->lar_regdom_set) { IWL_ERR(mvm, "sched-scan while LAR regdomain is not set\n"); ret = -EBUSY; @@ -2781,6 +2774,13 @@ static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw, goto out; } + if (!(mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN) && + (mvm->scan_status & IWL_MVM_SCAN_REGULAR)) { + ret = iwl_mvm_cancel_scan(mvm); + if (ret) + goto out; + } + ret = iwl_mvm_scan_offload_start(mvm, vif, req, ies); if (ret) mvm->scan_status &= ~IWL_MVM_SCAN_SCHED; |