forked from Minki/linux
iwlwifi: mvm: make RSS RX more robust
If the firmware ever decides to send any new/more notifications to the RSS queues, the driver would currently try to interpret those as REPLY_RX_MPDU_CMD and, if the notification was small, access invalid memory. Prevent that by checking for REPLY_RX_MPDU_CMD explicitly which allows ignoring unexpected notifications. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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@ -1672,7 +1672,7 @@ static void iwl_mvm_rx_mq_rss(struct iwl_op_mode *op_mode,
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else if (unlikely(pkt->hdr.cmd == RX_QUEUES_NOTIFICATION &&
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pkt->hdr.group_id == DATA_PATH_GROUP))
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iwl_mvm_rx_queue_notif(mvm, rxb, queue);
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else
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else if (likely(pkt->hdr.cmd == REPLY_RX_MPDU_CMD))
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iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, queue);
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}
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