diff options
Diffstat (limited to 'drivers/nfc')
| -rw-r--r-- | drivers/nfc/pn533.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/drivers/nfc/pn533.c b/drivers/nfc/pn533.c index f06ef7c49f8..2f1ebbd8cba 100644 --- a/drivers/nfc/pn533.c +++ b/drivers/nfc/pn533.c @@ -435,7 +435,7 @@ struct pn533_frame_ops { int tx_header_len; int tx_tail_len; - bool (*rx_is_frame_valid)(void *frame); + bool (*rx_is_frame_valid)(void *frame, struct pn533 *dev); int (*rx_frame_size)(void *frame); int rx_header_len; int rx_tail_len; @@ -510,7 +510,7 @@ static void pn533_acr122_tx_update_payload_len(void *_frame, int len) frame->datalen += len; } -static bool pn533_acr122_is_rx_frame_valid(void *_frame) +static bool pn533_acr122_is_rx_frame_valid(void *_frame, struct pn533 *dev) { struct pn533_acr122_rx_frame *frame = _frame; @@ -608,7 +608,7 @@ static void pn533_std_tx_update_payload_len(void *_frame, int len) frame->datalen += len; } -static bool pn533_std_rx_frame_is_valid(void *_frame) +static bool pn533_std_rx_frame_is_valid(void *_frame, struct pn533 *dev) { u8 checksum; struct pn533_std_frame *stdf = _frame; @@ -618,6 +618,7 @@ static bool pn533_std_rx_frame_is_valid(void *_frame) if (likely(!PN533_STD_IS_EXTENDED(stdf))) { /* Standard frame code */ + dev->ops->rx_header_len = PN533_STD_FRAME_HEADER_LEN; checksum = pn533_std_checksum(stdf->datalen); if (checksum != stdf->datalen_checksum) @@ -630,6 +631,8 @@ static bool pn533_std_rx_frame_is_valid(void *_frame) /* Extended */ struct pn533_ext_frame *eif = _frame; + dev->ops->rx_header_len = PN533_EXT_FRAME_HEADER_LEN; + checksum = pn533_ext_checksum(be16_to_cpu(eif->datalen)); if (checksum != eif->datalen_checksum) return false; @@ -734,7 +737,7 @@ static void pn533_recv_response(struct urb *urb) print_hex_dump_debug("PN533 RX: ", DUMP_PREFIX_NONE, 16, 1, in_frame, dev->ops->rx_frame_size(in_frame), false); - if (!dev->ops->rx_is_frame_valid(in_frame)) { + if (!dev->ops->rx_is_frame_valid(in_frame, dev)) { nfc_dev_err(&dev->interface->dev, "Received an invalid frame"); cmd->status = -EIO; goto sched_wq; @@ -747,11 +750,6 @@ static void pn533_recv_response(struct urb *urb) goto sched_wq; } - if (PN533_STD_IS_EXTENDED((struct pn533_std_frame *)in_frame)) - dev->ops->rx_header_len = PN533_EXT_FRAME_HEADER_LEN; - else - dev->ops->rx_header_len = PN533_STD_FRAME_HEADER_LEN; - sched_wq: queue_work(dev->wq, &dev->cmd_complete_work); } |