From 6fef00d5eeb9e4e5620e395d0e68f5de28a7c646 Mon Sep 17 00:00:00 2001
From: Gregory Greenman <gregory.greenman@intel.com>
Date: Thu, 30 Nov 2017 05:16:16 +0200
Subject: [PATCH] iwlwifi: mvm: rs: add sanity check when sending LQ command
Git-commit: 6fef00d5eeb9e4e5620e395d0e68f5de28a7c646
Patch-mainline: v4.16-rc1
References: FATE#326294
When sending LQ command, verify the rate scaling is not in firmware.
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/net/wireless/intel/iwlwifi/mvm/utils.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c
index 280edf89e5eb..b7fc1b9fb605 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c
@@ -912,7 +912,9 @@ int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init)
.data = { lq, },
};
- if (WARN_ON(lq->sta_id == IWL_MVM_INVALID_STA))
+ if (WARN_ON(lq->sta_id == IWL_MVM_INVALID_STA ||
+ fw_has_capa(&mvm->fw->ucode_capa,
+ IWL_UCODE_TLV_CAPA_TLC_OFFLOAD)))
return -EINVAL;
return iwl_mvm_send_cmd(mvm, &cmd);
--
2.19.2