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From:   gregory.greenman@intel.com
To:     kvalo@kernel.org, johannes@sipsolutions.net
Cc:     linux-wireless@vger.kernel.org,
        Luca Coelho <luciano.coelho@intel.com>,
        Gregory Greenman <gregory.greenman@intel.com>
Subject: [PATCH 04/11] wifi: iwlwifi: mvm: print an error instead of a warning on invalid rate
Date:   Wed,  2 Nov 2022 16:59:51 +0200
Message-Id: <20221102165239.3d3673c70556.I13464b11d405fd6021618b0a32404cecb7e9ac51@changeid>
In-Reply-To: <20221102145958.342864-1-gregory.greenman@intel.com>
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From: Luca Coelho <luciano.coelho@intel.com>

In some rare occasions, the firmware may let some frames with invalid
rates, such as CCK rates on the high band, come through.  This causes
the driver to issue a warning, but since this is a possible issue and
it's not really a bug in the driver, convert the warning into an
error.

Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
---
 drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
index 1aadccd8841f..5f782ca1e254 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
@@ -1747,10 +1747,12 @@ static void iwl_mvm_rx_fill_status(struct iwl_mvm *mvm,
 
 		rx_status->rate_idx = rate;
 
-		if (WARN_ONCE(rate < 0 || rate > 0xFF,
-			      "Invalid rate flags 0x%x, band %d,\n",
-			      rate_n_flags, rx_status->band))
+		if ((rate < 0 || rate > 0xFF) && net_ratelimit()) {
+			IWL_ERR(mvm, "Invalid rate flags 0x%x, band %d,\n",
+				rate_n_flags, rx_status->band);
 			rx_status->rate_idx = 0;
+		}
+
 		break;
 		}
 	}
-- 
2.35.3