From 4ff78181f4efa91e914e2d0940f3bdc4685aae6b Mon Sep 17 00:00:00 2001 From: Eliad Peller Date: Sun, 22 Jun 2014 14:44:44 +0300 Subject: [PATCH] iwlwifi: mvm: unref SCAN ref on scan completion The scan reference wasn't released in case of offloaded scan, causing the refcount to go wrong and prevent the device from going into d0i3. Signed-off-by: Eliad Peller Reviewed-by: Johannes Berg Signed-off-by: Emmanuel Grumbach --- drivers/net/wireless/iwlwifi/mvm/scan.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/iwlwifi/mvm/scan.c b/drivers/net/wireless/iwlwifi/mvm/scan.c index 042fcdc81f41..5cd59a43e1da 100644 --- a/drivers/net/wireless/iwlwifi/mvm/scan.c +++ b/drivers/net/wireless/iwlwifi/mvm/scan.c @@ -673,6 +673,7 @@ int iwl_mvm_rx_scan_offload_complete_notif(struct iwl_mvm *mvm, mvm->scan_status = IWL_MVM_SCAN_NONE; ieee80211_scan_completed(mvm->hw, status == IWL_SCAN_OFFLOAD_ABORTED); + iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN); } mvm->last_ebs_successful = !ebs_status; @@ -1107,8 +1108,12 @@ int iwl_mvm_scan_offload_stop(struct iwl_mvm *mvm, bool notify) /* * Clear the scan status so the next scan requests will succeed. This * also ensures the Rx handler doesn't do anything, as the scan was - * stopped from above. + * stopped from above. Since the rx handler won't do anything now, + * we have to release the scan reference here. */ + if (mvm->scan_status == IWL_MVM_SCAN_OS) + iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN); + mvm->scan_status = IWL_MVM_SCAN_NONE; if (notify) { -- 2.30.2