diff options
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4/smt.c')
-rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/smt.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/smt.c b/drivers/net/ethernet/chelsio/cxgb4/smt.c index eaf1fb74689c..01c65d13fc0e 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/smt.c +++ b/drivers/net/ethernet/chelsio/cxgb4/smt.c @@ -57,7 +57,7 @@ struct smt_data *t4_init_smt(void) s->smtab[i].state = SMT_STATE_UNUSED; memset(&s->smtab[i].src_mac, 0, ETH_ALEN); spin_lock_init(&s->smtab[i].lock); - atomic_set(&s->smtab[i].refcnt, 0); + s->smtab[i].refcnt = 0; } return s; } @@ -68,7 +68,7 @@ static struct smt_entry *find_or_alloc_smte(struct smt_data *s, u8 *smac) struct smt_entry *e, *end; for (e = &s->smtab[0], end = &s->smtab[s->smt_size]; e != end; ++e) { - if (atomic_read(&e->refcnt) == 0) { + if (e->refcnt == 0) { if (!first_free) first_free = e; } else { @@ -97,11 +97,9 @@ found_reuse: static void t4_smte_free(struct smt_entry *e) { - spin_lock_bh(&e->lock); - if (atomic_read(&e->refcnt) == 0) { /* hasn't been recycled */ + if (e->refcnt == 0) { /* hasn't been recycled */ e->state = SMT_STATE_UNUSED; } - spin_unlock_bh(&e->lock); } /** @@ -111,8 +109,10 @@ static void t4_smte_free(struct smt_entry *e) */ void cxgb4_smt_release(struct smt_entry *e) { - if (atomic_dec_and_test(&e->refcnt)) + spin_lock_bh(&e->lock); + if ((--e->refcnt) == 0) t4_smte_free(e); + spin_unlock_bh(&e->lock); } EXPORT_SYMBOL(cxgb4_smt_release); @@ -215,14 +215,14 @@ static struct smt_entry *t4_smt_alloc_switching(struct adapter *adap, u16 pfvf, e = find_or_alloc_smte(s, smac); if (e) { spin_lock(&e->lock); - if (!atomic_read(&e->refcnt)) { - atomic_set(&e->refcnt, 1); + if (!e->refcnt) { + e->refcnt = 1; e->state = SMT_STATE_SWITCHING; e->pfvf = pfvf; memcpy(e->src_mac, smac, ETH_ALEN); write_smt_entry(adap, e); } else { - atomic_inc(&e->refcnt); + ++e->refcnt; } spin_unlock(&e->lock); } |