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iwlwifi: mvm: don't trust hardware queue number

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We don't really have much reason to mistrust the hardware
queue number, but if it gets mixed up we still don't want
to access some data out of bounds, so drop such frames.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20211219121514.539aecb91247.I6e555a5185bad30d7d1a4659f9c0b99325425f18@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Johannes Berg 2021-12-19 12:18:11 +02:00 committed by Luca Coelho
parent b6f5b647f6
commit 6438e3e0c5
1 changed files with 3 additions and 0 deletions
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3
drivers/net/wireless/intel/iwlwifi/mvm/ops.c
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@ -1918,6 +1918,9 @@ static void iwl_mvm_rx_mq_rss(struct iwl_op_mode *op_mode,
struct iwl_rx_packet *pkt = rxb_addr(rxb);
u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
if (unlikely(queue >= mvm->trans->num_rx_queues))
return;
if (unlikely(cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE)))
iwl_mvm_rx_frame_release(mvm, napi, rxb, queue);
else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP,