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Diffstat (limited to 'net/nfc/hci/command.c')
-rw-r--r--net/nfc/hci/command.c41
1 files changed, 21 insertions, 20 deletions
diff --git a/net/nfc/hci/command.c b/net/nfc/hci/command.c
index 71c6a7086b8..677d24bb70f 100644
--- a/net/nfc/hci/command.c
+++ b/net/nfc/hci/command.c
@@ -12,9 +12,7 @@
* 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/>.
*/
#define pr_fmt(fmt) "hci: %s: " fmt, __func__
@@ -28,6 +26,8 @@
#include "hci.h"
+#define MAX_FWI 4949
+
static int nfc_hci_execute_cmd_async(struct nfc_hci_dev *hdev, u8 pipe, u8 cmd,
const u8 *param, size_t param_len,
data_exchange_cb_t cb, void *cb_context)
@@ -39,7 +39,7 @@ static int nfc_hci_execute_cmd_async(struct nfc_hci_dev *hdev, u8 pipe, u8 cmd,
* for all commands?
*/
return nfc_hci_hcp_message_tx(hdev, pipe, NFC_HCI_HCP_COMMAND, cmd,
- param, param_len, cb, cb_context, 3000);
+ param, param_len, cb, cb_context, MAX_FWI);
}
/*
@@ -84,7 +84,7 @@ static int nfc_hci_execute_cmd(struct nfc_hci_dev *hdev, u8 pipe, u8 cmd,
NFC_HCI_HCP_COMMAND, cmd,
param, param_len,
nfc_hci_execute_cb, &hcp_ew,
- 3000);
+ MAX_FWI);
if (hcp_ew.exec_result < 0)
return hcp_ew.exec_result;
@@ -257,16 +257,16 @@ static u8 nfc_hci_create_pipe(struct nfc_hci_dev *hdev, u8 dest_host,
*result = nfc_hci_execute_cmd(hdev, NFC_HCI_ADMIN_PIPE,
NFC_HCI_ADM_CREATE_PIPE,
(u8 *) &params, sizeof(params), &skb);
- if (*result == 0) {
- resp = (struct hci_create_pipe_resp *)skb->data;
- pipe = resp->pipe;
- kfree_skb(skb);
+ if (*result < 0)
+ return NFC_HCI_INVALID_PIPE;
- pr_debug("pipe created=%d\n", pipe);
+ resp = (struct hci_create_pipe_resp *)skb->data;
+ pipe = resp->pipe;
+ kfree_skb(skb);
- return pipe;
- } else
- return NFC_HCI_INVALID_PIPE;
+ pr_debug("pipe created=%d\n", pipe);
+
+ return pipe;
}
static int nfc_hci_delete_pipe(struct nfc_hci_dev *hdev, u8 pipe)
@@ -279,19 +279,20 @@ static int nfc_hci_delete_pipe(struct nfc_hci_dev *hdev, u8 pipe)
static int nfc_hci_clear_all_pipes(struct nfc_hci_dev *hdev)
{
- int r;
-
u8 param[2];
+ size_t param_len = 2;
/* TODO: Find out what the identity reference data is
* and fill param with it. HCI spec 6.1.3.5 */
pr_debug("\n");
- r = nfc_hci_execute_cmd(hdev, NFC_HCI_ADMIN_PIPE,
- NFC_HCI_ADM_CLEAR_ALL_PIPE, param, 2, NULL);
+ if (test_bit(NFC_HCI_QUIRK_SHORT_CLEAR, &hdev->quirks))
+ param_len = 0;
- return 0;
+ return nfc_hci_execute_cmd(hdev, NFC_HCI_ADMIN_PIPE,
+ NFC_HCI_ADM_CLEAR_ALL_PIPE, param, param_len,
+ NULL);
}
int nfc_hci_disconnect_gate(struct nfc_hci_dev *hdev, u8 gate)
@@ -348,7 +349,7 @@ int nfc_hci_connect_gate(struct nfc_hci_dev *hdev, u8 dest_host, u8 dest_gate,
return -EADDRINUSE;
if (pipe != NFC_HCI_INVALID_PIPE)
- goto pipe_is_open;
+ goto open_pipe;
switch (dest_gate) {
case NFC_HCI_LINK_MGMT_GATE:
@@ -365,6 +366,7 @@ int nfc_hci_connect_gate(struct nfc_hci_dev *hdev, u8 dest_host, u8 dest_gate,
break;
}
+open_pipe:
r = nfc_hci_open_pipe(hdev, pipe);
if (r < 0) {
if (pipe_created)
@@ -375,7 +377,6 @@ int nfc_hci_connect_gate(struct nfc_hci_dev *hdev, u8 dest_host, u8 dest_gate,
return r;
}
-pipe_is_open:
hdev->gate2pipe[dest_gate] = pipe;
return 0;