forked from luck/tmp_suning_uos_patched
NFC: digital: Fix a possible memory leak
This fixes a memory leak issue that may occur if data sending fails in initiator mode. The data_exch structure was not released in case of error. Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Thierry Escande <thierry.escande@linux.intel.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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564af14e36
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6ea7398d00
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@ -671,19 +671,27 @@ static int digital_in_send(struct nfc_dev *nfc_dev, struct nfc_target *target,
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data_exch->cb = cb;
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data_exch->cb_context = cb_context;
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if (ddev->curr_protocol == NFC_PROTO_NFC_DEP)
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return digital_in_send_dep_req(ddev, target, skb, data_exch);
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if (ddev->curr_protocol == NFC_PROTO_NFC_DEP) {
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rc = digital_in_send_dep_req(ddev, target, skb, data_exch);
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goto exit;
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}
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if (ddev->curr_protocol == NFC_PROTO_ISO14443) {
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rc = digital_in_iso_dep_push_sod(ddev, skb);
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if (rc)
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return rc;
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goto exit;
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}
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ddev->skb_add_crc(skb);
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return digital_in_send_cmd(ddev, skb, 500, digital_in_send_complete,
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data_exch);
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rc = digital_in_send_cmd(ddev, skb, 500, digital_in_send_complete,
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data_exch);
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exit:
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if (rc)
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kfree(data_exch);
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return rc;
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}
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static struct nfc_ops digital_nfc_ops = {
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