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Diffstat (limited to 'net')
-rw-r--r--net/atm/br2684.c4
-rw-r--r--net/atm/lec.c5
-rw-r--r--net/caif/caif_usb.c2
-rw-r--r--net/core/rtnetlink.c4
-rw-r--r--net/core/selftests.c8
-rw-r--r--net/dsa/dsa2.c1
-rw-r--r--net/dsa/slave.c2
-rw-r--r--net/dsa/switch.c76
-rw-r--r--net/ethtool/ioctl.c7
-rw-r--r--net/hsr/hsr_framereg.c4
-rw-r--r--net/hsr/hsr_framereg.h4
11 files changed, 72 insertions, 45 deletions
diff --git a/net/atm/br2684.c b/net/atm/br2684.c
index 11854fde52db..f666f2f98ba5 100644
--- a/net/atm/br2684.c
+++ b/net/atm/br2684.c
@@ -577,10 +577,12 @@ static int br2684_regvcc(struct atm_vcc *atmvcc, void __user * arg)
pr_debug("vcc=%p, encaps=%d, brvcc=%p\n", atmvcc, be.encaps, brvcc);
if (list_empty(&brdev->brvccs) && !brdev->mac_was_set) {
unsigned char *esi = atmvcc->dev->esi;
+ const u8 one = 1;
+
if (esi[0] | esi[1] | esi[2] | esi[3] | esi[4] | esi[5])
dev_addr_set(net_dev, esi);
else
- net_dev->dev_addr[2] = 1;
+ dev_addr_mod(net_dev, 2, &one, 1);
}
list_add(&brvcc->brvccs, &brdev->brvccs);
write_unlock_irq(&devs_lock);
diff --git a/net/atm/lec.c b/net/atm/lec.c
index 8eaea4a4bbd6..6257bf12e5a0 100644
--- a/net/atm/lec.c
+++ b/net/atm/lec.c
@@ -340,12 +340,12 @@ static int lec_close(struct net_device *dev)
static int lec_atm_send(struct atm_vcc *vcc, struct sk_buff *skb)
{
+ static const u8 zero_addr[ETH_ALEN] = {};
unsigned long flags;
struct net_device *dev = (struct net_device *)vcc->proto_data;
struct lec_priv *priv = netdev_priv(dev);
struct atmlec_msg *mesg;
struct lec_arp_table *entry;
- int i;
char *tmp; /* FIXME */
WARN_ON(refcount_sub_and_test(skb->truesize, &sk_atm(vcc)->sk_wmem_alloc));
@@ -358,8 +358,7 @@ static int lec_atm_send(struct atm_vcc *vcc, struct sk_buff *skb)
eth_hw_addr_set(dev, mesg->content.normal.mac_addr);
break;
case l_del_mac_addr:
- for (i = 0; i < 6; i++)
- dev->dev_addr[i] = 0;
+ eth_hw_addr_set(dev, zero_addr);
break;
case l_addr_delete:
lec_addr_delete(priv, mesg->content.normal.atm_addr,
diff --git a/net/caif/caif_usb.c b/net/caif/caif_usb.c
index b02e1292f7f1..4be6b04879a1 100644
--- a/net/caif/caif_usb.c
+++ b/net/caif/caif_usb.c
@@ -81,7 +81,7 @@ static void cfusbl_ctrlcmd(struct cflayer *layr, enum caif_ctrlcmd ctrl,
layr->up->ctrlcmd(layr->up, ctrl, layr->id);
}
-static struct cflayer *cfusbl_create(int phyid, u8 ethaddr[ETH_ALEN],
+static struct cflayer *cfusbl_create(int phyid, const u8 ethaddr[ETH_ALEN],
u8 braddr[ETH_ALEN])
{
struct cfusbl *this = kmalloc(sizeof(struct cfusbl), GFP_ATOMIC);
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 79477dcae7c2..2af8aeeadadf 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -3204,8 +3204,8 @@ struct net_device *rtnl_create_link(struct net *net, const char *ifname,
dev->mtu = mtu;
}
if (tb[IFLA_ADDRESS]) {
- memcpy(dev->dev_addr, nla_data(tb[IFLA_ADDRESS]),
- nla_len(tb[IFLA_ADDRESS]));
+ __dev_addr_set(dev, nla_data(tb[IFLA_ADDRESS]),
+ nla_len(tb[IFLA_ADDRESS]));
dev->addr_assign_type = NET_ADDR_SET;
}
if (tb[IFLA_BROADCAST])
diff --git a/net/core/selftests.c b/net/core/selftests.c
index 9077fa969892..acb1ee97bbd3 100644
--- a/net/core/selftests.c
+++ b/net/core/selftests.c
@@ -15,8 +15,8 @@
#include <net/udp.h>
struct net_packet_attrs {
- unsigned char *src;
- unsigned char *dst;
+ const unsigned char *src;
+ const unsigned char *dst;
u32 ip_src;
u32 ip_dst;
bool tcp;
@@ -173,8 +173,8 @@ static int net_test_loopback_validate(struct sk_buff *skb,
struct net_device *orig_ndev)
{
struct net_test_priv *tpriv = pt->af_packet_priv;
- unsigned char *src = tpriv->packet->src;
- unsigned char *dst = tpriv->packet->dst;
+ const unsigned char *src = tpriv->packet->src;
+ const unsigned char *dst = tpriv->packet->dst;
struct netsfhdr *shdr;
struct ethhdr *ehdr;
struct udphdr *uhdr;
diff --git a/net/dsa/dsa2.c b/net/dsa/dsa2.c
index f5270114dcb8..826957b6442b 100644
--- a/net/dsa/dsa2.c
+++ b/net/dsa/dsa2.c
@@ -433,6 +433,7 @@ static int dsa_port_setup(struct dsa_port *dp)
if (dp->setup)
return 0;
+ mutex_init(&dp->addr_lists_lock);
INIT_LIST_HEAD(&dp->fdbs);
INIT_LIST_HEAD(&dp->mdbs);
diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index 9d9fef668eba..adcfb2cb4e61 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -2413,7 +2413,6 @@ static void dsa_slave_switchdev_event_work(struct work_struct *work)
dp = dsa_to_port(ds, switchdev_work->port);
- rtnl_lock();
switch (switchdev_work->event) {
case SWITCHDEV_FDB_ADD_TO_DEVICE:
if (switchdev_work->host_addr)
@@ -2448,7 +2447,6 @@ static void dsa_slave_switchdev_event_work(struct work_struct *work)
break;
}
- rtnl_unlock();
dev_put(switchdev_work->dev);
kfree(switchdev_work);
diff --git a/net/dsa/switch.c b/net/dsa/switch.c
index 2b1b21bde830..6871e5f9b597 100644
--- a/net/dsa/switch.c
+++ b/net/dsa/switch.c
@@ -215,26 +215,30 @@ static int dsa_port_do_mdb_add(struct dsa_port *dp,
struct dsa_switch *ds = dp->ds;
struct dsa_mac_addr *a;
int port = dp->index;
- int err;
+ int err = 0;
/* No need to bother with refcounting for user ports */
if (!(dsa_port_is_cpu(dp) || dsa_port_is_dsa(dp)))
return ds->ops->port_mdb_add(ds, port, mdb);
+ mutex_lock(&dp->addr_lists_lock);
+
a = dsa_mac_addr_find(&dp->mdbs, mdb->addr, mdb->vid);
if (a) {
refcount_inc(&a->refcount);
- return 0;
+ goto out;
}
a = kzalloc(sizeof(*a), GFP_KERNEL);
- if (!a)
- return -ENOMEM;
+ if (!a) {
+ err = -ENOMEM;
+ goto out;
+ }
err = ds->ops->port_mdb_add(ds, port, mdb);
if (err) {
kfree(a);
- return err;
+ goto out;
}
ether_addr_copy(a->addr, mdb->addr);
@@ -242,7 +246,10 @@ static int dsa_port_do_mdb_add(struct dsa_port *dp,
refcount_set(&a->refcount, 1);
list_add_tail(&a->list, &dp->mdbs);
- return 0;
+out:
+ mutex_unlock(&dp->addr_lists_lock);
+
+ return err;
}
static int dsa_port_do_mdb_del(struct dsa_port *dp,
@@ -251,29 +258,36 @@ static int dsa_port_do_mdb_del(struct dsa_port *dp,
struct dsa_switch *ds = dp->ds;
struct dsa_mac_addr *a;
int port = dp->index;
- int err;
+ int err = 0;
/* No need to bother with refcounting for user ports */
if (!(dsa_port_is_cpu(dp) || dsa_port_is_dsa(dp)))
return ds->ops->port_mdb_del(ds, port, mdb);
+ mutex_lock(&dp->addr_lists_lock);
+
a = dsa_mac_addr_find(&dp->mdbs, mdb->addr, mdb->vid);
- if (!a)
- return -ENOENT;
+ if (!a) {
+ err = -ENOENT;
+ goto out;
+ }
if (!refcount_dec_and_test(&a->refcount))
- return 0;
+ goto out;
err = ds->ops->port_mdb_del(ds, port, mdb);
if (err) {
refcount_inc(&a->refcount);
- return err;
+ goto out;
}
list_del(&a->list);
kfree(a);
- return 0;
+out:
+ mutex_unlock(&dp->addr_lists_lock);
+
+ return err;
}
static int dsa_port_do_fdb_add(struct dsa_port *dp, const unsigned char *addr,
@@ -282,26 +296,30 @@ static int dsa_port_do_fdb_add(struct dsa_port *dp, const unsigned char *addr,
struct dsa_switch *ds = dp->ds;
struct dsa_mac_addr *a;
int port = dp->index;
- int err;
+ int err = 0;
/* No need to bother with refcounting for user ports */
if (!(dsa_port_is_cpu(dp) || dsa_port_is_dsa(dp)))
return ds->ops->port_fdb_add(ds, port, addr, vid);
+ mutex_lock(&dp->addr_lists_lock);
+
a = dsa_mac_addr_find(&dp->fdbs, addr, vid);
if (a) {
refcount_inc(&a->refcount);
- return 0;
+ goto out;
}
a = kzalloc(sizeof(*a), GFP_KERNEL);
- if (!a)
- return -ENOMEM;
+ if (!a) {
+ err = -ENOMEM;
+ goto out;
+ }
err = ds->ops->port_fdb_add(ds, port, addr, vid);
if (err) {
kfree(a);
- return err;
+ goto out;
}
ether_addr_copy(a->addr, addr);
@@ -309,7 +327,10 @@ static int dsa_port_do_fdb_add(struct dsa_port *dp, const unsigned char *addr,
refcount_set(&a->refcount, 1);
list_add_tail(&a->list, &dp->fdbs);
- return 0;
+out:
+ mutex_unlock(&dp->addr_lists_lock);
+
+ return err;
}
static int dsa_port_do_fdb_del(struct dsa_port *dp, const unsigned char *addr,
@@ -318,29 +339,36 @@ static int dsa_port_do_fdb_del(struct dsa_port *dp, const unsigned char *addr,
struct dsa_switch *ds = dp->ds;
struct dsa_mac_addr *a;
int port = dp->index;
- int err;
+ int err = 0;
/* No need to bother with refcounting for user ports */
if (!(dsa_port_is_cpu(dp) || dsa_port_is_dsa(dp)))
return ds->ops->port_fdb_del(ds, port, addr, vid);
+ mutex_lock(&dp->addr_lists_lock);
+
a = dsa_mac_addr_find(&dp->fdbs, addr, vid);
- if (!a)
- return -ENOENT;
+ if (!a) {
+ err = -ENOENT;
+ goto out;
+ }
if (!refcount_dec_and_test(&a->refcount))
- return 0;
+ goto out;
err = ds->ops->port_fdb_del(ds, port, addr, vid);
if (err) {
refcount_inc(&a->refcount);
- return err;
+ goto out;
}
list_del(&a->list);
kfree(a);
- return 0;
+out:
+ mutex_unlock(&dp->addr_lists_lock);
+
+ return err;
}
static int dsa_switch_host_fdb_add(struct dsa_switch *ds,
diff --git a/net/ethtool/ioctl.c b/net/ethtool/ioctl.c
index bf6e8c2f9bf7..44430b6ab843 100644
--- a/net/ethtool/ioctl.c
+++ b/net/ethtool/ioctl.c
@@ -336,7 +336,7 @@ EXPORT_SYMBOL(ethtool_intersect_link_masks);
void ethtool_convert_legacy_u32_to_link_mode(unsigned long *dst,
u32 legacy_u32)
{
- bitmap_zero(dst, __ETHTOOL_LINK_MODE_MASK_NBITS);
+ linkmode_zero(dst);
dst[0] = legacy_u32;
}
EXPORT_SYMBOL(ethtool_convert_legacy_u32_to_link_mode);
@@ -351,11 +351,10 @@ bool ethtool_convert_link_mode_to_legacy_u32(u32 *legacy_u32,
if (__ETHTOOL_LINK_MODE_MASK_NBITS > 32) {
__ETHTOOL_DECLARE_LINK_MODE_MASK(ext);
- bitmap_zero(ext, __ETHTOOL_LINK_MODE_MASK_NBITS);
+ linkmode_zero(ext);
bitmap_fill(ext, 32);
bitmap_complement(ext, ext, __ETHTOOL_LINK_MODE_MASK_NBITS);
- if (bitmap_intersects(ext, src,
- __ETHTOOL_LINK_MODE_MASK_NBITS)) {
+ if (linkmode_intersects(ext, src)) {
/* src mask goes beyond bit 31 */
retval = false;
}
diff --git a/net/hsr/hsr_framereg.c b/net/hsr/hsr_framereg.c
index e31949479305..91292858a63b 100644
--- a/net/hsr/hsr_framereg.c
+++ b/net/hsr/hsr_framereg.c
@@ -76,8 +76,8 @@ static struct hsr_node *find_node_by_addr_A(struct list_head *node_db,
* frames from self that's been looped over the HSR ring.
*/
int hsr_create_self_node(struct hsr_priv *hsr,
- unsigned char addr_a[ETH_ALEN],
- unsigned char addr_b[ETH_ALEN])
+ const unsigned char addr_a[ETH_ALEN],
+ const unsigned char addr_b[ETH_ALEN])
{
struct list_head *self_node_db = &hsr->self_node_db;
struct hsr_node *node, *oldnode;
diff --git a/net/hsr/hsr_framereg.h b/net/hsr/hsr_framereg.h
index d9628e7a5f05..bdbb8c822ba1 100644
--- a/net/hsr/hsr_framereg.h
+++ b/net/hsr/hsr_framereg.h
@@ -48,8 +48,8 @@ int hsr_register_frame_out(struct hsr_port *port, struct hsr_node *node,
void hsr_prune_nodes(struct timer_list *t);
int hsr_create_self_node(struct hsr_priv *hsr,
- unsigned char addr_a[ETH_ALEN],
- unsigned char addr_b[ETH_ALEN]);
+ const unsigned char addr_a[ETH_ALEN],
+ const unsigned char addr_b[ETH_ALEN]);
void *hsr_get_next_node(struct hsr_priv *hsr, void *_pos,
unsigned char addr[ETH_ALEN]);