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-rw-r--r--drivers/ieee1394/hosts.h16
-rw-r--r--drivers/ieee1394/ieee1394_transactions.c10
2 files changed, 16 insertions, 10 deletions
diff --git a/drivers/ieee1394/hosts.h b/drivers/ieee1394/hosts.h
index d1a47607cb89..9ddc6628e710 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 3fe2f6c4a253..a114b91d606d 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);