Per Andrew's request.
Signed-off-by: Bryan O'Sullivan <[email protected]>
diff -r df954e47ff67 -r 947e92f4b370 drivers/infiniband/hw/ipath/ipath_qp.c
--- a/drivers/infiniband/hw/ipath/ipath_qp.c Fri May 12 15:55:28 2006 -0700
+++ b/drivers/infiniband/hw/ipath/ipath_qp.c Fri May 12 15:55:28 2006 -0700
@@ -375,10 +375,10 @@ static void ipath_error_qp(struct ipath_
spin_lock(&dev->pending_lock);
/* XXX What if its already removed by the timeout code? */
- if (qp->timerwait.next != LIST_POISON1)
- list_del(&qp->timerwait);
- if (qp->piowait.next != LIST_POISON1)
- list_del(&qp->piowait);
+ if (!list_empty(&qp->timerwait))
+ list_del_init(&qp->timerwait);
+ if (!list_empty(&qp->piowait))
+ list_del_init(&qp->piowait);
spin_unlock(&dev->pending_lock);
wc.status = IB_WC_WR_FLUSH_ERR;
@@ -722,10 +722,8 @@ struct ib_qp *ipath_create_qp(struct ib_
init_attr->qp_type == IB_QPT_RC ?
ipath_do_rc_send : ipath_do_uc_send,
(unsigned long)qp);
- qp->piowait.next = LIST_POISON1;
- qp->piowait.prev = LIST_POISON2;
- qp->timerwait.next = LIST_POISON1;
- qp->timerwait.prev = LIST_POISON2;
+ INIT_LIST_HEAD(&qp->piowait);
+ INIT_LIST_HEAD(&qp->timerwait);
qp->state = IB_QPS_RESET;
qp->s_wq = swq;
qp->s_size = init_attr->cap.max_send_wr + 1;
@@ -795,10 +793,10 @@ int ipath_destroy_qp(struct ib_qp *ibqp)
/* Make sure the QP isn't on the timeout list. */
spin_lock_irqsave(&dev->pending_lock, flags);
- if (qp->timerwait.next != LIST_POISON1)
- list_del(&qp->timerwait);
- if (qp->piowait.next != LIST_POISON1)
- list_del(&qp->piowait);
+ if (!list_empty(&qp->timerwait))
+ list_del_init(&qp->timerwait);
+ if (!list_empty(&qp->piowait))
+ list_del_init(&qp->piowait);
spin_unlock_irqrestore(&dev->pending_lock, flags);
/*
@@ -867,10 +865,10 @@ void ipath_sqerror_qp(struct ipath_qp *q
spin_lock(&dev->pending_lock);
/* XXX What if its already removed by the timeout code? */
- if (qp->timerwait.next != LIST_POISON1)
- list_del(&qp->timerwait);
- if (qp->piowait.next != LIST_POISON1)
- list_del(&qp->piowait);
+ if (!list_empty(&qp->timerwait))
+ list_del_init(&qp->timerwait);
+ if (!list_empty(&qp->piowait))
+ list_del_init(&qp->piowait);
spin_unlock(&dev->pending_lock);
ipath_cq_enter(to_icq(qp->ibqp.send_cq), wc, 1);
diff -r df954e47ff67 -r 947e92f4b370 drivers/infiniband/hw/ipath/ipath_rc.c
--- a/drivers/infiniband/hw/ipath/ipath_rc.c Fri May 12 15:55:28 2006 -0700
+++ b/drivers/infiniband/hw/ipath/ipath_rc.c Fri May 12 15:55:28 2006 -0700
@@ -57,7 +57,7 @@ static void ipath_init_restart(struct ip
qp->s_len = wqe->length - len;
dev = to_idev(qp->ibqp.device);
spin_lock(&dev->pending_lock);
- if (qp->timerwait.next == LIST_POISON1)
+ if (list_empty(&qp->timerwait))
list_add_tail(&qp->timerwait,
&dev->pending[dev->pending_index]);
spin_unlock(&dev->pending_lock);
@@ -356,7 +356,7 @@ static inline int ipath_make_rc_req(stru
if ((int)(qp->s_psn - qp->s_next_psn) > 0)
qp->s_next_psn = qp->s_psn;
spin_lock(&dev->pending_lock);
- if (qp->timerwait.next == LIST_POISON1)
+ if (list_empty(&qp->timerwait))
list_add_tail(&qp->timerwait,
&dev->pending[dev->pending_index]);
spin_unlock(&dev->pending_lock);
@@ -726,8 +726,8 @@ void ipath_restart_rc(struct ipath_qp *q
*/
dev = to_idev(qp->ibqp.device);
spin_lock(&dev->pending_lock);
- if (qp->timerwait.next != LIST_POISON1)
- list_del(&qp->timerwait);
+ if (!list_empty(&qp->timerwait))
+ list_del_init(&qp->timerwait);
spin_unlock(&dev->pending_lock);
if (wqe->wr.opcode == IB_WR_RDMA_READ)
@@ -886,8 +886,8 @@ static int do_rc_ack(struct ipath_qp *qp
* just won't find anything to restart if we ACK everything.
*/
spin_lock(&dev->pending_lock);
- if (qp->timerwait.next != LIST_POISON1)
- list_del(&qp->timerwait);
+ if (!list_empty(&qp->timerwait))
+ list_del_init(&qp->timerwait);
spin_unlock(&dev->pending_lock);
/*
@@ -1194,8 +1194,7 @@ static inline void ipath_rc_rcv_resp(str
IB_WR_RDMA_READ))
goto ack_done;
spin_lock(&dev->pending_lock);
- if (qp->s_rnr_timeout == 0 &&
- qp->timerwait.next != LIST_POISON1)
+ if (qp->s_rnr_timeout == 0 && !list_empty(&qp->timerwait))
list_move_tail(&qp->timerwait,
&dev->pending[dev->pending_index]);
spin_unlock(&dev->pending_lock);
diff -r df954e47ff67 -r 947e92f4b370 drivers/infiniband/hw/ipath/ipath_ruc.c
--- a/drivers/infiniband/hw/ipath/ipath_ruc.c Fri May 12 15:55:28 2006 -0700
+++ b/drivers/infiniband/hw/ipath/ipath_ruc.c Fri May 12 15:55:28 2006 -0700
@@ -435,7 +435,7 @@ void ipath_no_bufs_available(struct ipat
unsigned long flags;
spin_lock_irqsave(&dev->pending_lock, flags);
- if (qp->piowait.next == LIST_POISON1)
+ if (list_empty(&qp->piowait))
list_add_tail(&qp->piowait, &dev->piowait);
spin_unlock_irqrestore(&dev->pending_lock, flags);
/*
diff -r df954e47ff67 -r 947e92f4b370 drivers/infiniband/hw/ipath/ipath_verbs.c
--- a/drivers/infiniband/hw/ipath/ipath_verbs.c Fri May 12 15:55:28 2006 -0700
+++ b/drivers/infiniband/hw/ipath/ipath_verbs.c Fri May 12 15:55:28 2006 -0700
@@ -517,7 +517,7 @@ static void ipath_ib_timer(void *arg)
last = &dev->pending[dev->pending_index];
while (!list_empty(last)) {
qp = list_entry(last->next, struct ipath_qp, timerwait);
- list_del(&qp->timerwait);
+ list_del_init(&qp->timerwait);
qp->timer_next = resend;
resend = qp;
atomic_inc(&qp->refcount);
@@ -527,7 +527,7 @@ static void ipath_ib_timer(void *arg)
qp = list_entry(last->next, struct ipath_qp, timerwait);
if (--qp->s_rnr_timeout == 0) {
do {
- list_del(&qp->timerwait);
+ list_del_init(&qp->timerwait);
tasklet_hi_schedule(&qp->s_task);
if (list_empty(last))
break;
@@ -607,7 +607,7 @@ static int ipath_ib_piobufavail(void *ar
while (!list_empty(&dev->piowait)) {
qp = list_entry(dev->piowait.next, struct ipath_qp,
piowait);
- list_del(&qp->piowait);
+ list_del_init(&qp->piowait);
tasklet_hi_schedule(&qp->s_task);
}
spin_unlock_irqrestore(&dev->pending_lock, flags);
-
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