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path: root/drivers/net/macsec.c
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Diffstat (limited to 'drivers/net/macsec.c')
-rw-r--r--drivers/net/macsec.c27
1 files changed, 14 insertions, 13 deletions
diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c
index 5ab1b8849c30..2c98152d1e1b 100644
--- a/drivers/net/macsec.c
+++ b/drivers/net/macsec.c
@@ -16,6 +16,7 @@
#include <crypto/aead.h>
#include <linux/etherdevice.h>
#include <linux/rtnetlink.h>
+#include <linux/refcount.h>
#include <net/genetlink.h>
#include <net/sock.h>
#include <net/gro_cells.h>
@@ -146,7 +147,7 @@ struct macsec_rx_sa {
struct macsec_key key;
spinlock_t lock;
u32 next_pn;
- atomic_t refcnt;
+ refcount_t refcnt;
bool active;
struct macsec_rx_sa_stats __percpu *stats;
struct macsec_rx_sc *sc;
@@ -171,7 +172,7 @@ struct macsec_rx_sc {
bool active;
struct macsec_rx_sa __rcu *sa[MACSEC_NUM_AN];
struct pcpu_rx_sc_stats __percpu *stats;
- atomic_t refcnt;
+ refcount_t refcnt;
struct rcu_head rcu_head;
};
@@ -187,7 +188,7 @@ struct macsec_tx_sa {
struct macsec_key key;
spinlock_t lock;
u32 next_pn;
- atomic_t refcnt;
+ refcount_t refcnt;
bool active;
struct macsec_tx_sa_stats __percpu *stats;
struct rcu_head rcu;
@@ -314,7 +315,7 @@ static struct macsec_rx_sa *macsec_rxsa_get(struct macsec_rx_sa __rcu *ptr)
if (!sa || !sa->active)
return NULL;
- if (!atomic_inc_not_zero(&sa->refcnt))
+ if (!refcount_inc_not_zero(&sa->refcnt))
return NULL;
return sa;
@@ -330,12 +331,12 @@ static void free_rx_sc_rcu(struct rcu_head *head)
static struct macsec_rx_sc *macsec_rxsc_get(struct macsec_rx_sc *sc)
{
- return atomic_inc_not_zero(&sc->refcnt) ? sc : NULL;
+ return refcount_inc_not_zero(&sc->refcnt) ? sc : NULL;
}
static void macsec_rxsc_put(struct macsec_rx_sc *sc)
{
- if (atomic_dec_and_test(&sc->refcnt))
+ if (refcount_dec_and_test(&sc->refcnt))
call_rcu(&sc->rcu_head, free_rx_sc_rcu);
}
@@ -350,7 +351,7 @@ static void free_rxsa(struct rcu_head *head)
static void macsec_rxsa_put(struct macsec_rx_sa *sa)
{
- if (atomic_dec_and_test(&sa->refcnt))
+ if (refcount_dec_and_test(&sa->refcnt))
call_rcu(&sa->rcu, free_rxsa);
}
@@ -361,7 +362,7 @@ static struct macsec_tx_sa *macsec_txsa_get(struct macsec_tx_sa __rcu *ptr)
if (!sa || !sa->active)
return NULL;
- if (!atomic_inc_not_zero(&sa->refcnt))
+ if (!refcount_inc_not_zero(&sa->refcnt))
return NULL;
return sa;
@@ -378,7 +379,7 @@ static void free_txsa(struct rcu_head *head)
static void macsec_txsa_put(struct macsec_tx_sa *sa)
{
- if (atomic_dec_and_test(&sa->refcnt))
+ if (refcount_dec_and_test(&sa->refcnt))
call_rcu(&sa->rcu, free_txsa);
}
@@ -1341,7 +1342,7 @@ static int init_rx_sa(struct macsec_rx_sa *rx_sa, char *sak, int key_len,
rx_sa->active = false;
rx_sa->next_pn = 1;
- atomic_set(&rx_sa->refcnt, 1);
+ refcount_set(&rx_sa->refcnt, 1);
spin_lock_init(&rx_sa->lock);
return 0;
@@ -1412,7 +1413,7 @@ static struct macsec_rx_sc *create_rx_sc(struct net_device *dev, sci_t sci)
rx_sc->sci = sci;
rx_sc->active = true;
- atomic_set(&rx_sc->refcnt, 1);
+ refcount_set(&rx_sc->refcnt, 1);
secy = &macsec_priv(dev)->secy;
rcu_assign_pointer(rx_sc->next, secy->rx_sc);
@@ -1438,7 +1439,7 @@ static int init_tx_sa(struct macsec_tx_sa *tx_sa, char *sak, int key_len,
}
tx_sa->active = false;
- atomic_set(&tx_sa->refcnt, 1);
+ refcount_set(&tx_sa->refcnt, 1);
spin_lock_init(&tx_sa->lock);
return 0;
@@ -3246,7 +3247,7 @@ static int macsec_newlink(struct net *net, struct net_device *dev,
&macsec_netdev_addr_lock_key,
macsec_get_nest_level(dev));
- err = netdev_upper_dev_link(real_dev, dev);
+ err = netdev_upper_dev_link(real_dev, dev, extack);
if (err < 0)
goto unregister;