aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/staging/rdma/hfi1/init.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/staging/rdma/hfi1/init.c')
-rw-r--r--drivers/staging/rdma/hfi1/init.c20
1 files changed, 9 insertions, 11 deletions
diff --git a/drivers/staging/rdma/hfi1/init.c b/drivers/staging/rdma/hfi1/init.c
index b1582b5a169e..502b7cf4647d 100644
--- a/drivers/staging/rdma/hfi1/init.c
+++ b/drivers/staging/rdma/hfi1/init.c
@@ -422,9 +422,10 @@ static enum hrtimer_restart cca_timer_fn(struct hrtimer *t)
struct cca_timer *cca_timer;
struct hfi1_pportdata *ppd;
int sl;
- u16 ccti, ccti_timer, ccti_min;
+ u16 ccti_timer, ccti_min;
struct cc_state *cc_state;
unsigned long flags;
+ enum hrtimer_restart ret = HRTIMER_NORESTART;
cca_timer = container_of(t, struct cca_timer, hrtimer);
ppd = cca_timer->ppd;
@@ -450,24 +451,21 @@ static enum hrtimer_restart cca_timer_fn(struct hrtimer *t)
spin_lock_irqsave(&ppd->cca_timer_lock, flags);
- ccti = cca_timer->ccti;
-
- if (ccti > ccti_min) {
+ if (cca_timer->ccti > ccti_min) {
cca_timer->ccti--;
set_link_ipg(ppd);
}
- spin_unlock_irqrestore(&ppd->cca_timer_lock, flags);
-
- rcu_read_unlock();
-
- if (ccti > ccti_min) {
+ if (cca_timer->ccti > ccti_min) {
unsigned long nsec = 1024 * ccti_timer;
/* ccti_timer is in units of 1.024 usec */
hrtimer_forward_now(t, ns_to_ktime(nsec));
- return HRTIMER_RESTART;
+ ret = HRTIMER_RESTART;
}
- return HRTIMER_NORESTART;
+
+ spin_unlock_irqrestore(&ppd->cca_timer_lock, flags);
+ rcu_read_unlock();
+ return ret;
}
/*