From: Kalle Valo <kvalo@codeaurora.org>
Date: Mon, 19 Jan 2015 07:47:28 +0000 (+0200)
Subject: Merge tag 'iwlwifi-for-kalle-2015-01-15' of https://git.kernel.org/pub/scm/linux... 
X-Git-Tag: firefly_0821_release~176^2~2456^2~25^2~1
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=7b05520160a3252577f9a258609499b73f3bdef1;hp=781f51d4c2038b694a774b070dcd93ea22d10655;p=firefly-linux-kernel-4.4.55.git

Merge tag 'iwlwifi-for-kalle-2015-01-15' of https://git./linux/kernel/git/iwlwifi/iwlwifi-fixes

* one fix for rfkill while scheduled scan is running.
  Linus's system hit this issue. WiFi would be unavailable
  after this has happpened because of bad state in cfg80211.
---

diff --git a/drivers/net/wireless/iwlwifi/mvm/scan.c b/drivers/net/wireless/iwlwifi/mvm/scan.c
index 3fbba4b05bf4..844bf7c4c8de 100644
--- a/drivers/net/wireless/iwlwifi/mvm/scan.c
+++ b/drivers/net/wireless/iwlwifi/mvm/scan.c
@@ -1107,6 +1107,12 @@ int iwl_mvm_scan_offload_stop(struct iwl_mvm *mvm, bool notify)
 		return iwl_umac_scan_stop(mvm, IWL_UMAC_SCAN_UID_SCHED_SCAN,
 					  notify);
 
+	if (mvm->scan_status == IWL_MVM_SCAN_NONE)
+		return 0;
+
+	if (iwl_mvm_is_radio_killed(mvm))
+		goto out;
+
 	if (mvm->scan_status != IWL_MVM_SCAN_SCHED &&
 	    (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN) ||
 	     mvm->scan_status != IWL_MVM_SCAN_OS)) {
@@ -1143,6 +1149,7 @@ int iwl_mvm_scan_offload_stop(struct iwl_mvm *mvm, bool notify)
 	if (mvm->scan_status == IWL_MVM_SCAN_OS)
 		iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN);
 
+out:
 	mvm->scan_status = IWL_MVM_SCAN_NONE;
 
 	if (notify) {