diff options
Diffstat (limited to 'net/nfc/nci/data.c')
| -rw-r--r-- | net/nfc/nci/data.c | 45 |
1 files changed, 23 insertions, 22 deletions
diff --git a/net/nfc/nci/data.c b/net/nfc/nci/data.c index e5756b30e60..6c3aef85287 100644 --- a/net/nfc/nci/data.c +++ b/net/nfc/nci/data.c @@ -16,8 +16,7 @@ * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * along with this program; if not, see <http://www.gnu.org/licenses/>. * */ @@ -35,8 +34,7 @@ #include <linux/nfc.h> /* Complete data exchange transaction and forward skb to nfc core */ -void nci_data_exchange_complete(struct nci_dev *ndev, - struct sk_buff *skb, +void nci_data_exchange_complete(struct nci_dev *ndev, struct sk_buff *skb, int err) { data_exchange_cb_t cb = ndev->data_exchange_cb; @@ -44,9 +42,13 @@ void nci_data_exchange_complete(struct nci_dev *ndev, pr_debug("len %d, err %d\n", skb ? skb->len : 0, err); + /* data exchange is complete, stop the data timer */ + del_timer_sync(&ndev->data_timer); + clear_bit(NCI_DATA_EXCHANGE_TO, &ndev->flags); + if (cb) { ndev->data_exchange_cb = NULL; - ndev->data_exchange_cb_context = 0; + ndev->data_exchange_cb_context = NULL; /* forward skb to nfc core */ cb(cb_context, skb, err); @@ -63,9 +65,9 @@ void nci_data_exchange_complete(struct nci_dev *ndev, /* ----------------- NCI TX Data ----------------- */ static inline void nci_push_data_hdr(struct nci_dev *ndev, - __u8 conn_id, - struct sk_buff *skb, - __u8 pbf) + __u8 conn_id, + struct sk_buff *skb, + __u8 pbf) { struct nci_data_hdr *hdr; int plen = skb->len; @@ -77,13 +79,11 @@ static inline void nci_push_data_hdr(struct nci_dev *ndev, nci_mt_set((__u8 *)hdr, NCI_MT_DATA_PKT); nci_pbf_set((__u8 *)hdr, pbf); - - skb->dev = (void *) ndev; } static int nci_queue_tx_data_frags(struct nci_dev *ndev, - __u8 conn_id, - struct sk_buff *skb) { + __u8 conn_id, + struct sk_buff *skb) { int total_len = skb->len; unsigned char *data = skb->data; unsigned long flags; @@ -101,8 +101,8 @@ static int nci_queue_tx_data_frags(struct nci_dev *ndev, min_t(int, total_len, ndev->max_data_pkt_payload_size); skb_frag = nci_skb_alloc(ndev, - (NCI_DATA_HDR_SIZE + frag_len), - GFP_KERNEL); + (NCI_DATA_HDR_SIZE + frag_len), + GFP_KERNEL); if (skb_frag == NULL) { rc = -ENOMEM; goto free_exit; @@ -114,7 +114,8 @@ static int nci_queue_tx_data_frags(struct nci_dev *ndev, /* second, set the header */ nci_push_data_hdr(ndev, conn_id, skb_frag, - ((total_len == frag_len) ? (NCI_PBF_LAST) : (NCI_PBF_CONT))); + ((total_len == frag_len) ? + (NCI_PBF_LAST) : (NCI_PBF_CONT))); __skb_queue_tail(&frags_q, skb_frag); @@ -182,8 +183,8 @@ exit: /* ----------------- NCI RX Data ----------------- */ static void nci_add_rx_data_frag(struct nci_dev *ndev, - struct sk_buff *skb, - __u8 pbf) + struct sk_buff *skb, + __u8 pbf) { int reassembly_len; int err = 0; @@ -196,10 +197,10 @@ static void nci_add_rx_data_frag(struct nci_dev *ndev, pr_err("error adding room for accumulated rx data\n"); kfree_skb(skb); - skb = 0; + skb = NULL; kfree_skb(ndev->rx_data_reassembly); - ndev->rx_data_reassembly = 0; + ndev->rx_data_reassembly = NULL; err = -ENOMEM; goto exit; @@ -207,12 +208,12 @@ static void nci_add_rx_data_frag(struct nci_dev *ndev, /* second, combine the two fragments */ memcpy(skb_push(skb, reassembly_len), - ndev->rx_data_reassembly->data, - reassembly_len); + ndev->rx_data_reassembly->data, + reassembly_len); /* third, free old reassembly */ kfree_skb(ndev->rx_data_reassembly); - ndev->rx_data_reassembly = 0; + ndev->rx_data_reassembly = NULL; } if (pbf == NCI_PBF_CONT) { |