NFC: NCI: Fix skb->dev usage
skb->dev is used for carrying a net_device pointer and not
an nci_dev pointer.
Remove usage of skb-dev to carry nci_dev and replace it by parameter
in nci_recv_frame(), nci_send_frame() and driver send() functions.
NfcWilink driver is also updated to use those functions.
Signed-off-by: Frederic Danis <frederic.danis@linux.intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/drivers/nfc/nfcwilink.c b/drivers/nfc/nfcwilink.c
index 3b731ac..41cf8f7 100644
--- a/drivers/nfc/nfcwilink.c
+++ b/drivers/nfc/nfcwilink.c
@@ -109,7 +109,7 @@
NFCWILINK_FW_DOWNLOAD,
};
-static int nfcwilink_send(struct sk_buff *skb);
+static int nfcwilink_send(struct nci_dev *ndev, struct sk_buff *skb);
static inline struct sk_buff *nfcwilink_skb_alloc(unsigned int len, gfp_t how)
{
@@ -156,8 +156,6 @@
return -ENOMEM;
}
- skb->dev = (void *)drv->ndev;
-
cmd = (struct nci_vs_nfcc_info_cmd *)
skb_put(skb, sizeof(struct nci_vs_nfcc_info_cmd));
cmd->gid = NCI_VS_NFCC_INFO_CMD_GID;
@@ -166,7 +164,7 @@
drv->nfcc_info.plen = 0;
- rc = nfcwilink_send(skb);
+ rc = nfcwilink_send(drv->ndev, skb);
if (rc)
return rc;
@@ -232,11 +230,9 @@
return -ENOMEM;
}
- skb->dev = (void *)drv->ndev;
-
memcpy(skb_put(skb, len), data, len);
- rc = nfcwilink_send(skb);
+ rc = nfcwilink_send(drv->ndev, skb);
if (rc)
return rc;
@@ -371,10 +367,8 @@
return 0;
}
- skb->dev = (void *) drv->ndev;
-
/* Forward skb to NCI core layer */
- rc = nci_recv_frame(skb);
+ rc = nci_recv_frame(drv->ndev, skb);
if (rc < 0) {
nfc_dev_err(&drv->pdev->dev, "nci_recv_frame failed %d", rc);
return rc;
@@ -480,9 +474,8 @@
return rc;
}
-static int nfcwilink_send(struct sk_buff *skb)
+static int nfcwilink_send(struct nci_dev *ndev, struct sk_buff *skb)
{
- struct nci_dev *ndev = (struct nci_dev *)skb->dev;
struct nfcwilink *drv = nci_get_drvdata(ndev);
struct nfcwilink_hdr hdr = {NFCWILINK_CHNL, NFCWILINK_OPCODE, 0x0000};
long len;