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nfc: st-nci: fix memory leaks in EVT_TRANSACTION

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Error path does not free previously allocated memory. Add devm_kfree() to
the failure path.

Reported-by: Denis Efremov <denis.e.efremov@oracle.com>
Reviewed-by: Guenter Roeck <groeck@google.com>
Fixes: 5d1ceb7f5e ("NFC: st21nfcb: Add HCI transaction event support")
Signed-off-by: Martin Faltesek <mfaltesek@google.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Martin Faltesek 2022-11-21 18:42:45 -06:00 committed by Jakub Kicinski
parent c60c152230
commit 440f2ae9c9
1 changed files with 3 additions and 1 deletions
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4
drivers/nfc/st-nci/se.c
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@ -339,8 +339,10 @@ static int st_nci_hci_connectivity_event_received(struct nci_dev *ndev,
/* Check next byte is PARAMETERS tag (82) */
if (skb->data[transaction->aid_len + 2] !=
NFC_EVT_TRANSACTION_PARAMS_TAG)
NFC_EVT_TRANSACTION_PARAMS_TAG) {
devm_kfree(dev, transaction);
return -EPROTO;
}
transaction->params_len = skb->data[transaction->aid_len + 3];
memcpy(transaction->params, skb->data +