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path: root/drivers/firewire/core-transaction.c
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Diffstat (limited to 'drivers/firewire/core-transaction.c')
-rw-r--r--drivers/firewire/core-transaction.c19
1 files changed, 8 insertions, 11 deletions
diff --git a/drivers/firewire/core-transaction.c b/drivers/firewire/core-transaction.c
index da628c72a46..842739df23e 100644
--- a/drivers/firewire/core-transaction.c
+++ b/drivers/firewire/core-transaction.c
@@ -218,12 +218,15 @@ static void fw_fill_request(struct fw_packet *packet, int tcode, int tlabel,
packet->header_length = 16;
packet->payload_length = 0;
break;
+
+ default:
+ WARN(1, KERN_ERR "wrong tcode %d", tcode);
}
common:
packet->speed = speed;
packet->generation = generation;
packet->ack = 0;
- packet->payload_bus = 0;
+ packet->payload_mapped = false;
}
/**
@@ -595,11 +598,10 @@ void fw_fill_response(struct fw_packet *response, u32 *request_header,
break;
default:
- BUG();
- return;
+ WARN(1, KERN_ERR "wrong tcode %d", tcode);
}
- response->payload_bus = 0;
+ response->payload_mapped = false;
}
EXPORT_SYMBOL(fw_fill_response);
@@ -810,8 +812,7 @@ static void handle_topology_map(struct fw_card *card, struct fw_request *request
int speed, unsigned long long offset,
void *payload, size_t length, void *callback_data)
{
- int i, start, end;
- __be32 *map;
+ int start;
if (!TCODE_IS_READ_REQUEST(tcode)) {
fw_send_response(card, request, RCODE_TYPE_ERROR);
@@ -824,11 +825,7 @@ static void handle_topology_map(struct fw_card *card, struct fw_request *request
}
start = (offset - topology_map_region.start) / 4;
- end = start + length / 4;
- map = payload;
-
- for (i = 0; i < length / 4; i++)
- map[i] = cpu_to_be32(card->topology_map[start + i]);
+ memcpy(payload, &card->topology_map[start], length);
fw_send_response(card, request, RCODE_COMPLETE);
}