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Date: Sat, 27 Feb 2010 18:35:45 +0100
From: Jiri Pirko <jpirko@...hat.com>
To: netdev@...r.kernel.org
Cc: davem@...emloft.net
Subject: [net-next-2.6 PATCH] wireless: convert to use netdev_for_each_mc_addr
also added missed locking in rndis_wlan.c
Signed-off-by: Jiri Pirko <jpirko@...hat.com>
---
drivers/net/wireless/libertas/main.c | 8 ++++++--
drivers/net/wireless/orinoco/hw.c | 22 +++++++---------------
drivers/net/wireless/orinoco/hw.h | 2 +-
drivers/net/wireless/orinoco/main.c | 3 +--
drivers/net/wireless/ray_cs.c | 8 ++++----
drivers/net/wireless/rndis_wlan.c | 15 ++++++++-------
drivers/net/wireless/zd1201.c | 9 ++++-----
7 files changed, 31 insertions(+), 36 deletions(-)
diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c
index cd8ed7f..28a1c9d 100644
--- a/drivers/net/wireless/libertas/main.c
+++ b/drivers/net/wireless/libertas/main.c
@@ -319,15 +319,18 @@ static int lbs_add_mcast_addrs(struct cmd_ds_mac_multicast_adr *cmd,
{
int i = nr_addrs;
struct dev_mc_list *mc_list;
+ int cnt;
if ((dev->flags & (IFF_UP|IFF_MULTICAST)) != (IFF_UP|IFF_MULTICAST))
return nr_addrs;
netif_addr_lock_bh(dev);
- for (mc_list = dev->mc_list; mc_list; mc_list = mc_list->next) {
+ cnt = netdev_mc_count(dev);
+ netdev_for_each_mc_addr(mc_list, dev) {
if (mac_in_list(cmd->maclist, nr_addrs, mc_list->dmi_addr)) {
lbs_deb_net("mcast address %s:%pM skipped\n", dev->name,
mc_list->dmi_addr);
+ cnt--;
continue;
}
@@ -337,9 +340,10 @@ static int lbs_add_mcast_addrs(struct cmd_ds_mac_multicast_adr *cmd,
lbs_deb_net("mcast address %s:%pM added to filter\n", dev->name,
mc_list->dmi_addr);
i++;
+ cnt--;
}
netif_addr_unlock_bh(dev);
- if (mc_list)
+ if (cnt)
return -EOVERFLOW;
return i;
diff --git a/drivers/net/wireless/orinoco/hw.c b/drivers/net/wireless/orinoco/hw.c
index 404830f..e636924 100644
--- a/drivers/net/wireless/orinoco/hw.c
+++ b/drivers/net/wireless/orinoco/hw.c
@@ -1028,7 +1028,7 @@ int orinoco_clear_tkip_key(struct orinoco_private *priv, int key_idx)
}
int __orinoco_hw_set_multicast_list(struct orinoco_private *priv,
- struct dev_addr_list *mc_list,
+ struct net_device *dev,
int mc_count, int promisc)
{
hermes_t *hw = &priv->hw;
@@ -1049,24 +1049,16 @@ int __orinoco_hw_set_multicast_list(struct orinoco_private *priv,
* group address if either we want to multicast, or if we were
* multicasting and want to stop */
if (!promisc && (mc_count || priv->mc_count)) {
- struct dev_mc_list *p = mc_list;
+ struct dev_mc_list *p;
struct hermes_multicast mclist;
- int i;
+ int i = 0;
- for (i = 0; i < mc_count; i++) {
- /* paranoia: is list shorter than mc_count? */
- BUG_ON(!p);
- /* paranoia: bad address size in list? */
- BUG_ON(p->dmi_addrlen != ETH_ALEN);
-
- memcpy(mclist.addr[i], p->dmi_addr, ETH_ALEN);
- p = p->next;
+ netdev_for_each_mc_addr(p, dev) {
+ if (i == mc_count)
+ break;
+ memcpy(mclist.addr[i++], p->dmi_addr, ETH_ALEN);
}
- if (p)
- printk(KERN_WARNING "%s: Multicast list is "
- "longer than mc_count\n", priv->ndev->name);
-
err = hermes_write_ltv(hw, USER_BAP,
HERMES_RID_CNFGROUPADDRESSES,
HERMES_BYTES_TO_RECLEN(mc_count * ETH_ALEN),
diff --git a/drivers/net/wireless/orinoco/hw.h b/drivers/net/wireless/orinoco/hw.h
index e2f7fdc..9799a1d 100644
--- a/drivers/net/wireless/orinoco/hw.h
+++ b/drivers/net/wireless/orinoco/hw.h
@@ -43,7 +43,7 @@ int __orinoco_hw_set_tkip_key(struct orinoco_private *priv, int key_idx,
u8 *tsc, size_t tsc_len);
int orinoco_clear_tkip_key(struct orinoco_private *priv, int key_idx);
int __orinoco_hw_set_multicast_list(struct orinoco_private *priv,
- struct dev_addr_list *mc_list,
+ struct net_device *dev,
int mc_count, int promisc);
int orinoco_hw_get_essid(struct orinoco_private *priv, int *active,
char buf[IW_ESSID_MAX_SIZE+1]);
diff --git a/drivers/net/wireless/orinoco/main.c b/drivers/net/wireless/orinoco/main.c
index a9e9cea..b42634c 100644
--- a/drivers/net/wireless/orinoco/main.c
+++ b/drivers/net/wireless/orinoco/main.c
@@ -1676,8 +1676,7 @@ __orinoco_set_multicast_list(struct net_device *dev)
mc_count = netdev_mc_count(dev);
}
- err = __orinoco_hw_set_multicast_list(priv, dev->mc_list, mc_count,
- promisc);
+ err = __orinoco_hw_set_multicast_list(priv, dev, mc_count, promisc);
return err;
}
diff --git a/drivers/net/wireless/ray_cs.c b/drivers/net/wireless/ray_cs.c
index 85905ca..84c530a 100644
--- a/drivers/net/wireless/ray_cs.c
+++ b/drivers/net/wireless/ray_cs.c
@@ -1871,10 +1871,8 @@ static void ray_update_parm(struct net_device *dev, UCHAR objid, UCHAR *value,
/*===========================================================================*/
static void ray_update_multi_list(struct net_device *dev, int all)
{
- struct dev_mc_list *dmi, **dmip;
int ccsindex;
struct ccs __iomem *pccs;
- int i = 0;
ray_dev_t *local = netdev_priv(dev);
struct pcmcia_device *link = local->finder;
void __iomem *p = local->sram + HOST_TO_ECF_BASE;
@@ -1895,9 +1893,11 @@ static void ray_update_multi_list(struct net_device *dev, int all)
writeb(0xff, &pccs->var);
local->num_multi = 0xff;
} else {
+ struct dev_mc_list *dmi;
+ int i = 0;
+
/* Copy the kernel's list of MC addresses to card */
- for (dmip = &dev->mc_list; (dmi = *dmip) != NULL;
- dmip = &dmi->next) {
+ netdev_for_each_mc_addr(dmi, dev) {
memcpy_toio(p, dmi->dmi_addr, ETH_ALEN);
dev_dbg(&link->dev,
"ray_update_multi add addr %02x%02x%02x%02x%02x%02x\n",
diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c
index 65cbd06..9f6d6bf 100644
--- a/drivers/net/wireless/rndis_wlan.c
+++ b/drivers/net/wireless/rndis_wlan.c
@@ -1502,6 +1502,7 @@ static void set_multicast_list(struct usbnet *usbdev)
filter = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST;
+ netif_addr_lock_bh(usbdev->net);
if (usbdev->net->flags & IFF_PROMISC) {
filter |= RNDIS_PACKET_TYPE_PROMISCUOUS |
RNDIS_PACKET_TYPE_ALL_LOCAL;
@@ -1515,16 +1516,15 @@ static void set_multicast_list(struct usbnet *usbdev)
netdev_warn(usbdev->net,
"couldn't alloc %d bytes of memory\n",
size * ETH_ALEN);
+ netif_addr_unlock_bh(usbdev->net);
return;
}
- mclist = usbdev->net->mc_list;
- for (i = 0; i < size && mclist; mclist = mclist->next) {
- if (mclist->dmi_addrlen != ETH_ALEN)
- continue;
-
- memcpy(buf + i * ETH_ALEN, mclist->dmi_addr, ETH_ALEN);
- i++;
+ i = 0;
+ netdev_for_each_mc_addr(mclist, usbdev->net) {
+ if (i == size)
+ break;
+ memcpy(buf + i++ * ETH_ALEN, mclist->dmi_addr, ETH_ALEN);
}
ret = rndis_set_oid(usbdev, OID_802_3_MULTICAST_LIST, buf,
@@ -1539,6 +1539,7 @@ static void set_multicast_list(struct usbnet *usbdev)
kfree(buf);
}
+ netif_addr_unlock_bh(usbdev->net);
ret = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter,
sizeof(filter));
diff --git a/drivers/net/wireless/zd1201.c b/drivers/net/wireless/zd1201.c
index 5d2b52f..6917286 100644
--- a/drivers/net/wireless/zd1201.c
+++ b/drivers/net/wireless/zd1201.c
@@ -875,17 +875,16 @@ static struct iw_statistics *zd1201_get_wireless_stats(struct net_device *dev)
static void zd1201_set_multicast(struct net_device *dev)
{
struct zd1201 *zd = netdev_priv(dev);
- struct dev_mc_list *mc = dev->mc_list;
+ struct dev_mc_list *mc;
unsigned char reqbuf[ETH_ALEN*ZD1201_MAXMULTI];
int i;
if (netdev_mc_count(dev) > ZD1201_MAXMULTI)
return;
- for (i=0; i<netdev_mc_count(dev); i++) {
- memcpy(reqbuf+i*ETH_ALEN, mc->dmi_addr, ETH_ALEN);
- mc = mc->next;
- }
+ i = 0;
+ netdev_for_each_mc_addr(mc, dev)
+ memcpy(reqbuf + i++ * ETH_ALEN, mc->dmi_addr, ETH_ALEN);
zd1201_setconfig(zd, ZD1201_RID_CNFGROUPADDRESS, reqbuf,
netdev_mc_count(dev) * ETH_ALEN, 0);
}
--
1.6.6
--
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