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-rw-r--r--drivers/nfc/nfcmrvl/main.c20
-rw-r--r--drivers/nfc/nfcmrvl/nfcmrvl.h2
-rw-r--r--drivers/nfc/nfcmrvl/usb.c17
3 files changed, 23 insertions, 16 deletions
diff --git a/drivers/nfc/nfcmrvl/main.c b/drivers/nfc/nfcmrvl/main.c
index 48d8b00744df..e7f579b2d987 100644
--- a/drivers/nfc/nfcmrvl/main.c
+++ b/drivers/nfc/nfcmrvl/main.c
@@ -153,16 +153,8 @@ void nfcmrvl_nci_unregister_dev(struct nfcmrvl_private *priv)
}
EXPORT_SYMBOL_GPL(nfcmrvl_nci_unregister_dev);
-int nfcmrvl_nci_recv_frame(struct nfcmrvl_private *priv, void *data, int count)
+int nfcmrvl_nci_recv_frame(struct nfcmrvl_private *priv, struct sk_buff *skb)
{
- struct sk_buff *skb;
-
- skb = nci_skb_alloc(priv->ndev, count, GFP_ATOMIC);
- if (!skb)
- return -ENOMEM;
-
- memcpy(skb_put(skb, count), data, count);
-
if (priv->hci_muxed) {
if (skb->data[0] == NFCMRVL_HCI_EVENT_CODE &&
skb->data[1] == NFCMRVL_HCI_NFC_EVENT_CODE) {
@@ -175,9 +167,15 @@ int nfcmrvl_nci_recv_frame(struct nfcmrvl_private *priv, void *data, int count)
}
}
- nci_recv_frame(priv->ndev, skb);
+ if (test_bit(NFCMRVL_NCI_RUNNING, &priv->flags))
+ nci_recv_frame(priv->ndev, skb);
+ else {
+ /* Drop this packet since nobody wants it */
+ kfree_skb(skb);
+ return 0;
+ }
- return count;
+ return 0;
}
EXPORT_SYMBOL_GPL(nfcmrvl_nci_recv_frame);
diff --git a/drivers/nfc/nfcmrvl/nfcmrvl.h b/drivers/nfc/nfcmrvl/nfcmrvl.h
index b04cddd57388..7a10dabaf1b2 100644
--- a/drivers/nfc/nfcmrvl/nfcmrvl.h
+++ b/drivers/nfc/nfcmrvl/nfcmrvl.h
@@ -58,7 +58,7 @@ struct nfcmrvl_if_ops {
};
void nfcmrvl_nci_unregister_dev(struct nfcmrvl_private *priv);
-int nfcmrvl_nci_recv_frame(struct nfcmrvl_private *priv, void *data, int count);
+int nfcmrvl_nci_recv_frame(struct nfcmrvl_private *priv, struct sk_buff *skb);
struct nfcmrvl_private *nfcmrvl_nci_register_dev(void *drv_data,
struct nfcmrvl_if_ops *ops,
struct device *dev,
diff --git a/drivers/nfc/nfcmrvl/usb.c b/drivers/nfc/nfcmrvl/usb.c
index df534b90468b..f81861af5b25 100644
--- a/drivers/nfc/nfcmrvl/usb.c
+++ b/drivers/nfc/nfcmrvl/usb.c
@@ -69,18 +69,27 @@ static int nfcmrvl_inc_tx(struct nfcmrvl_usb_drv_data *drv_data)
static void nfcmrvl_bulk_complete(struct urb *urb)
{
struct nfcmrvl_usb_drv_data *drv_data = urb->context;
+ struct sk_buff *skb;
int err;
- dev_dbg(&drv_data->udev->dev, "urb %p status %d count %d",
+ dev_dbg(&drv_data->udev->dev, "urb %p status %d count %d\n",
urb, urb->status, urb->actual_length);
if (!test_bit(NFCMRVL_NCI_RUNNING, &drv_data->flags))
return;
if (!urb->status) {
- if (nfcmrvl_nci_recv_frame(drv_data->priv, urb->transfer_buffer,
- urb->actual_length) < 0)
- nfc_err(&drv_data->udev->dev, "corrupted Rx packet\n");
+ skb = nci_skb_alloc(drv_data->priv->ndev, urb->actual_length,
+ GFP_ATOMIC);
+ if (!skb) {
+ nfc_err(&drv_data->udev->dev, "failed to alloc mem\n");
+ } else {
+ memcpy(skb_put(skb, urb->actual_length),
+ urb->transfer_buffer, urb->actual_length);
+ if (nfcmrvl_nci_recv_frame(drv_data->priv, skb) < 0)
+ nfc_err(&drv_data->udev->dev,
+ "corrupted Rx packet\n");
+ }
}
if (!test_bit(NFCMRVL_USB_BULK_RUNNING, &drv_data->flags))