pull request: wireless-2.6 2008-06-04

From: John W. Linville
Date: Wed Jun 04 2008 - 17:29:31 EST


NOTE: This accounts for the net-2.6 rebase and drops the controversial
wireless.h patch...

Dave,

A smattering of fixes for 2.6.26...nothing major...

John

---

Individual patches are available here:

http://www.kernel.org/pub/linux/kernel/people/linville/wireless-2.6/

---

The following changes since commit 7dccf1f4e1696c79bff064c3770867cc53cbc71c:
Jarek Poplawski (1):
ax25: Fix NULL pointer dereference and lockup.

are available in the git repository at:

git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6.git master

Andrew Morton (1):
airo warning fix

Dan Williams (1):
ipw2200: expire and use oldest BSS on adhoc create

Felix Homann (1):
USB ID for Philips CPWUA054/00 Wireless USB Adapter 11g

Holger Schurig (1):
libertas: fix command size for CMD_802_11_SUBSCRIBE_EVENT

Michael Buesch (2):
b43legacy: Fix controller restart crash
ssb: Fix context assertion in ssb_pcicore_dev_irqvecs_enable

drivers/net/wireless/airo.c | 2 +-
drivers/net/wireless/b43legacy/main.c | 17 +++++++++--------
drivers/net/wireless/ipw2200.c | 27 +++++++++++++++++++++++++--
drivers/net/wireless/libertas/debugfs.c | 4 ++--
drivers/net/wireless/p54/p54usb.c | 1 +
drivers/ssb/driver_pcicore.c | 4 ++--
6 files changed, 40 insertions(+), 15 deletions(-)

diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c
index 4e1c690..32019fb 100644
--- a/drivers/net/wireless/airo.c
+++ b/drivers/net/wireless/airo.c
@@ -2905,7 +2905,7 @@ EXPORT_SYMBOL(init_airo_card);

static int waitbusy (struct airo_info *ai) {
int delay = 0;
- while ((IN4500 (ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) {
+ while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) {
udelay (10);
if ((++delay % 20) == 0)
OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
diff --git a/drivers/net/wireless/b43legacy/main.c b/drivers/net/wireless/b43legacy/main.c
index 14a5eea..204077c 100644
--- a/drivers/net/wireless/b43legacy/main.c
+++ b/drivers/net/wireless/b43legacy/main.c
@@ -3039,7 +3039,6 @@ static void b43legacy_set_pretbtt(struct b43legacy_wldev *dev)
/* Locking: wl->mutex */
static void b43legacy_wireless_core_exit(struct b43legacy_wldev *dev)
{
- struct b43legacy_wl *wl = dev->wl;
struct b43legacy_phy *phy = &dev->phy;
u32 macctl;

@@ -3054,12 +3053,6 @@ static void b43legacy_wireless_core_exit(struct b43legacy_wldev *dev)
macctl |= B43legacy_MACCTL_PSM_JMP0;
b43legacy_write32(dev, B43legacy_MMIO_MACCTL, macctl);

- mutex_unlock(&wl->mutex);
- /* Must unlock as it would otherwise deadlock. No races here.
- * Cancel possibly pending workqueues. */
- cancel_work_sync(&dev->restart_work);
- mutex_lock(&wl->mutex);
-
b43legacy_leds_exit(dev);
b43legacy_rng_exit(dev->wl);
b43legacy_pio_free(dev);
@@ -3486,6 +3479,8 @@ static void b43legacy_chip_reset(struct work_struct *work)
}
}
out:
+ if (err)
+ wl->current_dev = NULL; /* Failed to init the dev. */
mutex_unlock(&wl->mutex);
if (err)
b43legacyerr(wl, "Controller restart FAILED\n");
@@ -3618,9 +3613,11 @@ static void b43legacy_one_core_detach(struct ssb_device *dev)
struct b43legacy_wldev *wldev;
struct b43legacy_wl *wl;

+ /* Do not cancel ieee80211-workqueue based work here.
+ * See comment in b43legacy_remove(). */
+
wldev = ssb_get_drvdata(dev);
wl = wldev->wl;
- cancel_work_sync(&wldev->restart_work);
b43legacy_debugfs_remove_device(wldev);
b43legacy_wireless_core_detach(wldev);
list_del(&wldev->list);
@@ -3789,6 +3786,10 @@ static void b43legacy_remove(struct ssb_device *dev)
struct b43legacy_wl *wl = ssb_get_devtypedata(dev);
struct b43legacy_wldev *wldev = ssb_get_drvdata(dev);

+ /* We must cancel any work here before unregistering from ieee80211,
+ * as the ieee80211 unreg will destroy the workqueue. */
+ cancel_work_sync(&wldev->restart_work);
+
B43legacy_WARN_ON(!wl);
if (wl->current_dev == wldev)
ieee80211_unregister_hw(wl->hw);
diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c
index d74c061..7293367 100644
--- a/drivers/net/wireless/ipw2200.c
+++ b/drivers/net/wireless/ipw2200.c
@@ -7558,8 +7558,31 @@ static int ipw_associate(void *data)
priv->ieee->iw_mode == IW_MODE_ADHOC &&
priv->config & CFG_ADHOC_CREATE &&
priv->config & CFG_STATIC_ESSID &&
- priv->config & CFG_STATIC_CHANNEL &&
- !list_empty(&priv->ieee->network_free_list)) {
+ priv->config & CFG_STATIC_CHANNEL) {
+ /* Use oldest network if the free list is empty */
+ if (list_empty(&priv->ieee->network_free_list)) {
+ struct ieee80211_network *oldest = NULL;
+ struct ieee80211_network *target;
+ DECLARE_MAC_BUF(mac);
+
+ list_for_each_entry(target, &priv->ieee->network_list, list) {
+ if ((oldest == NULL) ||
+ (target->last_scanned < oldest->last_scanned))
+ oldest = target;
+ }
+
+ /* If there are no more slots, expire the oldest */
+ list_del(&oldest->list);
+ target = oldest;
+ IPW_DEBUG_ASSOC("Expired '%s' (%s) from "
+ "network list.\n",
+ escape_essid(target->ssid,
+ target->ssid_len),
+ print_mac(mac, target->bssid));
+ list_add_tail(&target->list,
+ &priv->ieee->network_free_list);
+ }
+
element = priv->ieee->network_free_list.next;
network = list_entry(element, struct ieee80211_network, list);
ipw_adhoc_create(priv, network);
diff --git a/drivers/net/wireless/libertas/debugfs.c b/drivers/net/wireless/libertas/debugfs.c
index ad2fabc..0aa0ce3 100644
--- a/drivers/net/wireless/libertas/debugfs.c
+++ b/drivers/net/wireless/libertas/debugfs.c
@@ -312,8 +312,8 @@ static ssize_t lbs_threshold_write(uint16_t tlv_type, uint16_t event_mask,
if (tlv_type != TLV_TYPE_BCNMISS)
tlv->freq = freq;

- /* The command header, the event mask, and the one TLV */
- events->hdr.size = cpu_to_le16(sizeof(events->hdr) + 2 + sizeof(*tlv));
+ /* The command header, the action, the event mask, and one TLV */
+ events->hdr.size = cpu_to_le16(sizeof(events->hdr) + 4 + sizeof(*tlv));

ret = lbs_cmd_with_response(priv, CMD_802_11_SUBSCRIBE_EVENT, events);

diff --git a/drivers/net/wireless/p54/p54usb.c b/drivers/net/wireless/p54/p54usb.c
index 98ddbb3..1610a73 100644
--- a/drivers/net/wireless/p54/p54usb.c
+++ b/drivers/net/wireless/p54/p54usb.c
@@ -49,6 +49,7 @@ static struct usb_device_id p54u_table[] __devinitdata = {
{USB_DEVICE(0x5041, 0x2235)}, /* Linksys WUSB54G Portable */

/* Version 2 devices (3887) */
+ {USB_DEVICE(0x0471, 0x1230)}, /* Philips CPWUA054/00 */
{USB_DEVICE(0x050d, 0x7050)}, /* Belkin F5D7050 ver 1000 */
{USB_DEVICE(0x0572, 0x2000)}, /* Cohiba Proto board */
{USB_DEVICE(0x0572, 0x2002)}, /* Cohiba Proto board */
diff --git a/drivers/ssb/driver_pcicore.c b/drivers/ssb/driver_pcicore.c
index 75def13..d28c538 100644
--- a/drivers/ssb/driver_pcicore.c
+++ b/drivers/ssb/driver_pcicore.c
@@ -537,12 +537,12 @@ int ssb_pcicore_dev_irqvecs_enable(struct ssb_pcicore *pc,
int err = 0;
u32 tmp;

- might_sleep();
-
if (!pdev)
goto out;
bus = pdev->bus;

+ might_sleep_if(pdev->id.coreid != SSB_DEV_PCI);
+
/* Enable interrupts for this device. */
if (bus->host_pci &&
((pdev->id.revision >= 6) || (pdev->id.coreid == SSB_DEV_PCIE))) {
--
John W. Linville
linville@xxxxxxxxxxxxx
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