diff options
| author | Kristian Høgsberg <krh@redhat.com> | 2007-01-26 00:38:34 -0500 |
|---|---|---|
| committer | Stefan Richter <stefanr@s5r6.in-berlin.de> | 2007-03-09 22:02:47 +0100 |
| commit | e5f49c3b837ff90c8aec2c6c66c4966080aced06 (patch) | |
| tree | 16f6cb30602b9e63b9dc3a0a4ef8b56dcaf10346 | |
| parent | 93c4cceb963ebb133531e5e3f4f6e2da0d222656 (diff) | |
firewire: Sanitize send error codes.
Drop the negative errnos and use RCODEs for all error codes
in the complete transaction callback.
Signed-off-by: Kristian Høgsberg <krh@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
| -rw-r--r-- | drivers/firewire/fw-ohci.c | 20 | ||||
| -rw-r--r-- | drivers/firewire/fw-transaction.c | 12 | ||||
| -rw-r--r-- | drivers/firewire/fw-transaction.h | 2 |
3 files changed, 18 insertions, 16 deletions
diff --git a/drivers/firewire/fw-ohci.c b/drivers/firewire/fw-ohci.c index ac6c018de0d..58bc85dd791 100644 --- a/drivers/firewire/fw-ohci.c +++ b/drivers/firewire/fw-ohci.c @@ -376,7 +376,7 @@ at_context_setup_packet(struct at_context *ctx, struct list_head *list) packet->payload_length, DMA_TO_DEVICE); if (packet->payload_bus == 0) { - complete_transmission(packet, -ENOMEM, list); + complete_transmission(packet, RCODE_SEND_ERROR, list); return; } @@ -438,7 +438,7 @@ at_context_setup_packet(struct at_context *ctx, struct list_head *list) /* We dont return error codes from this function; all * transmission errors are reported through the * callback. */ - complete_transmission(packet, -ESTALE, list); + complete_transmission(packet, RCODE_GENERATION, list); } } @@ -484,26 +484,26 @@ static void at_context_tasklet(unsigned long data) switch (evt) { case OHCI1394_evt_timeout: /* Async response transmit timed out. */ - complete_transmission(packet, -ETIMEDOUT, &list); + complete_transmission(packet, RCODE_CANCELLED, &list); break; case OHCI1394_evt_flushed: /* The packet was flushed should give same * error as when we try to use a stale * generation count. */ - complete_transmission(packet, -ESTALE, &list); + complete_transmission(packet, + RCODE_GENERATION, &list); break; case OHCI1394_evt_missing_ack: - /* This would be a higher level software - * error, it is using a valid (current) - * generation count, but the node is not on - * the bus. */ - complete_transmission(packet, -ENODEV, &list); + /* Using a valid (current) generation count, + * but the node is not on the bus or not + * sending acks. */ + complete_transmission(packet, RCODE_NO_ACK, &list); break; default: - complete_transmission(packet, -EIO, &list); + complete_transmission(packet, RCODE_SEND_ERROR, &list); break; } } else diff --git a/drivers/firewire/fw-transaction.c b/drivers/firewire/fw-transaction.c index 780ed2b4498..8387c8ea673 100644 --- a/drivers/firewire/fw-transaction.c +++ b/drivers/firewire/fw-transaction.c @@ -93,15 +93,15 @@ transmit_complete_callback(struct fw_packet *packet, close_transaction(t, card, RCODE_BUSY, NULL, 0); break; case ACK_DATA_ERROR: + close_transaction(t, card, RCODE_DATA_ERROR, NULL, 0); + break; case ACK_TYPE_ERROR: - close_transaction(t, card, RCODE_SEND_ERROR, NULL, 0); + close_transaction(t, card, RCODE_TYPE_ERROR, NULL, 0); break; default: - /* FIXME: In this case, status is a negative errno, - * corresponding to an OHCI specific transmit error - * code. We should map that to an RCODE instead of - * just the generic RCODE_SEND_ERROR. */ - close_transaction(t, card, RCODE_SEND_ERROR, NULL, 0); + /* In this case the ack is really a juju specific + * rcode, so just forward that to the callback. */ + close_transaction(t, card, status, NULL, 0); break; } } diff --git a/drivers/firewire/fw-transaction.h b/drivers/firewire/fw-transaction.h index fb46ef78a32..ad7ba32755e 100644 --- a/drivers/firewire/fw-transaction.h +++ b/drivers/firewire/fw-transaction.h @@ -87,6 +87,8 @@ #define RCODE_SEND_ERROR 0x10 #define RCODE_CANCELLED 0x11 #define RCODE_BUSY 0x12 +#define RCODE_GENERATION 0x13 +#define RCODE_NO_ACK 0x14 #define RETRY_1 0x00 #define RETRY_X 0x01 |