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iwlwifi: fix host command memory leaks

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Sending host command with CMD_WANT_SKB flag demands the release of the
response buffer with iwl_free_resp function.
The patch adds the memory release in all the relevant places

Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Shahar S Matityahu 2017-04-06 13:35:38 +03:00 committed by Luca Coelho
parent 15098803d3
commit dc1cd1d5ac
1 changed files with 6 additions and 3 deletions
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9
drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c
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@ -906,7 +906,7 @@ int iwl_trans_pcie_dyn_txq_alloc(struct iwl_trans *trans,
if (WARN_ON(iwl_rx_packet_payload_len(hcmd.resp_pkt) != sizeof(*rsp))) {
ret = -EINVAL;
goto error;
goto error_free_resp;
}
rsp = (void *)hcmd.resp_pkt->data;
@ -915,13 +915,13 @@ int iwl_trans_pcie_dyn_txq_alloc(struct iwl_trans *trans,
if (qid > ARRAY_SIZE(trans_pcie->txq)) {
WARN_ONCE(1, "queue index %d unsupported", qid);
ret = -EIO;
goto error;
goto error_free_resp;
}
if (test_and_set_bit(qid, trans_pcie->queue_used)) {
WARN_ONCE(1, "queue %d already used", qid);
ret = -EIO;
goto error;
goto error_free_resp;
}
txq->id = qid;
@ -934,8 +934,11 @@ int iwl_trans_pcie_dyn_txq_alloc(struct iwl_trans *trans,
(txq->write_ptr) | (qid << 16));
IWL_DEBUG_TX_QUEUES(trans, "Activate queue %d\n", qid);
iwl_free_resp(&hcmd);
return qid;
error_free_resp:
iwl_free_resp(&hcmd);
error:
iwl_pcie_gen2_txq_free_memory(trans, txq);
return ret;