From 1095e69f47926db6f1350a9d6a38626521580e87 Mon Sep 17 00:00:00 2001 From: Frederic Danis Date: Wed, 22 May 2013 11:36:17 +0200 Subject: 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 Signed-off-by: Samuel Ortiz --- drivers/nfc/nfcwilink.c | 17 +++++------------ 1 file changed, 5 insertions(+), 12 deletions(-) (limited to 'drivers/nfc') diff --git a/drivers/nfc/nfcwilink.c b/drivers/nfc/nfcwilink.c index 3b731acbc408..41cf8f70a6ad 100644 --- a/drivers/nfc/nfcwilink.c +++ b/drivers/nfc/nfcwilink.c @@ -109,7 +109,7 @@ enum { 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 @@ static int nfcwilink_get_bts_file_name(struct nfcwilink *drv, char *file_name) 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 @@ static int nfcwilink_get_bts_file_name(struct nfcwilink *drv, char *file_name) drv->nfcc_info.plen = 0; - rc = nfcwilink_send(skb); + rc = nfcwilink_send(drv->ndev, skb); if (rc) return rc; @@ -232,11 +230,9 @@ static int nfcwilink_send_bts_cmd(struct nfcwilink *drv, __u8 *data, int len) 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 @@ static long nfcwilink_receive(void *priv_data, struct sk_buff *skb) 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 @@ static int nfcwilink_close(struct nci_dev *ndev) 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; -- cgit v1.2.3