diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/ieee1394/hosts.h | 16 | ||||
| -rw-r--r-- | drivers/ieee1394/ieee1394_transactions.c | 10 |
2 files changed, 16 insertions, 10 deletions
diff --git a/drivers/ieee1394/hosts.h b/drivers/ieee1394/hosts.h index d1a47607cb8..9ddc6628e71 100644 --- a/drivers/ieee1394/hosts.h +++ b/drivers/ieee1394/hosts.h @@ -30,14 +30,14 @@ struct hpsb_host { unsigned char iso_listen_count[64]; - int node_count; /* number of identified nodes on this bus */ - int selfid_count; /* total number of SelfIDs received */ - int nodes_active; /* number of nodes with active link layer */ - u8 speed[63]; /* speed between each node and local node */ + int node_count; /* number of identified nodes on this bus */ + int selfid_count; /* total number of SelfIDs received */ + int nodes_active; /* number of nodes with active link layer */ + u8 speed[ALL_NODES]; /* speed between each node and local node */ - nodeid_t node_id; /* node ID of this host */ - nodeid_t irm_id; /* ID of this bus' isochronous resource manager */ - nodeid_t busmgr_id; /* ID of this bus' bus manager */ + nodeid_t node_id; /* node ID of this host */ + nodeid_t irm_id; /* ID of this bus' isochronous resource manager */ + nodeid_t busmgr_id; /* ID of this bus' bus manager */ /* this nodes state */ unsigned in_bus_reset:1; @@ -56,7 +56,7 @@ struct hpsb_host { struct csr_control csr; /* Per node tlabel pool allocation */ - struct hpsb_tlabel_pool tpool[64]; + struct hpsb_tlabel_pool tpool[ALL_NODES]; struct hpsb_host_driver *driver; diff --git a/drivers/ieee1394/ieee1394_transactions.c b/drivers/ieee1394/ieee1394_transactions.c index 3fe2f6c4a25..a114b91d606 100644 --- a/drivers/ieee1394/ieee1394_transactions.c +++ b/drivers/ieee1394/ieee1394_transactions.c @@ -136,8 +136,11 @@ int hpsb_get_tlabel(struct hpsb_packet *packet) { unsigned long flags; struct hpsb_tlabel_pool *tp; + int n = NODEID_TO_NODE(packet->node_id); - tp = &packet->host->tpool[packet->node_id & NODE_MASK]; + if (unlikely(n == ALL_NODES)) + return 0; + tp = &packet->host->tpool[n]; if (irqs_disabled() || in_atomic()) { if (down_trylock(&tp->count)) @@ -175,8 +178,11 @@ void hpsb_free_tlabel(struct hpsb_packet *packet) { unsigned long flags; struct hpsb_tlabel_pool *tp; + int n = NODEID_TO_NODE(packet->node_id); - tp = &packet->host->tpool[packet->node_id & NODE_MASK]; + if (unlikely(n == ALL_NODES)) + return; + tp = &packet->host->tpool[n]; BUG_ON(packet->tlabel > 63 || packet->tlabel < 0); |