diff options
| author | John W. Linville <linville@tuxdriver.com> | 2011-08-29 14:52:20 -0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-08-29 14:52:20 -0400 |
| commit | ba6e5eb107b4b26444cb67ce6fb8eb0973a97964 (patch) | |
| tree | 9377baf652e0cd8360372020b0386e238d07a30d /drivers/nfc/pn533.c | |
| parent | f3116f62cb56ef5efd172371fab688bb27529f69 (diff) | |
| parent | a508a6ea234571e0e7d1e9f2455fc1eca54d1fef (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem
Diffstat (limited to 'drivers/nfc/pn533.c')
| -rw-r--r-- | drivers/nfc/pn533.c | 17 |
1 files changed, 3 insertions, 14 deletions
diff --git a/drivers/nfc/pn533.c b/drivers/nfc/pn533.c index c77e0543e502..f81a93e5b59d 100644 --- a/drivers/nfc/pn533.c +++ b/drivers/nfc/pn533.c @@ -1246,7 +1246,6 @@ static int pn533_data_exchange_tx_frame(struct pn533 *dev, struct sk_buff *skb) { int payload_len = skb->len; struct pn533_frame *out_frame; - struct sk_buff *discarded; u8 tg; nfc_dev_dbg(&dev->interface->dev, "%s - Sending %d bytes", __func__, @@ -1260,18 +1259,6 @@ static int pn533_data_exchange_tx_frame(struct pn533 *dev, struct sk_buff *skb) return -ENOSYS; } - /* Reserving header space */ - if (skb_cow_head(skb, PN533_CMD_DATAEXCH_HEAD_LEN)) { - nfc_dev_err(&dev->interface->dev, "Error to add header data"); - return -ENOMEM; - } - - /* Reserving tail space, see pn533_tx_frame_finish */ - if (skb_cow_data(skb, PN533_FRAME_TAIL_SIZE, &discarded) < 0) { - nfc_dev_err(&dev->interface->dev, "Error to add tail data"); - return -ENOMEM; - } - skb_push(skb, PN533_CMD_DATAEXCH_HEAD_LEN); out_frame = (struct pn533_frame *) skb->data; @@ -1536,7 +1523,9 @@ static int pn533_probe(struct usb_interface *interface, | NFC_PROTO_ISO14443_MASK | NFC_PROTO_NFC_DEP_MASK; - dev->nfc_dev = nfc_allocate_device(&pn533_nfc_ops, protocols); + dev->nfc_dev = nfc_allocate_device(&pn533_nfc_ops, protocols, + PN533_CMD_DATAEXCH_HEAD_LEN, + PN533_FRAME_TAIL_SIZE); if (!dev->nfc_dev) goto kill_tasklet; |