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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>
This commit is contained in:
Thierry Escande 2014-02-12 14:27:51 +01:00 committed by Samuel Ortiz
parent 564af14e36
commit 6ea7398d00
1 changed files with 13 additions and 5 deletions
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18
net/nfc/digital_core.c
View File

@ -671,19 +671,27 @@ static int digital_in_send(struct nfc_dev *nfc_dev, struct nfc_target *target,
data_exch->cb = cb;
data_exch->cb_context = cb_context;
if (ddev->curr_protocol == NFC_PROTO_NFC_DEP)
return digital_in_send_dep_req(ddev, target, skb, data_exch);
if (ddev->curr_protocol == NFC_PROTO_NFC_DEP) {
rc = digital_in_send_dep_req(ddev, target, skb, data_exch);
goto exit;
}
if (ddev->curr_protocol == NFC_PROTO_ISO14443) {
rc = digital_in_iso_dep_push_sod(ddev, skb);
if (rc)
return rc;
goto exit;
}
ddev->skb_add_crc(skb);
return digital_in_send_cmd(ddev, skb, 500, digital_in_send_complete,
data_exch);
rc = digital_in_send_cmd(ddev, skb, 500, digital_in_send_complete,
data_exch);
exit:
if (rc)
kfree(data_exch);
return rc;
}
static struct nfc_ops digital_nfc_ops = {