[PATCH] ipw2100: semaphore to mutexes conversion
semaphore to mutexes conversion.
the conversion was generated via scripts, and the result was validated
automatically via a script as well.
build-tested.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ipw2100.c b/drivers/net/wireless/ipw2100.c
index b0e23a8..5443720 100644
--- a/drivers/net/wireless/ipw2100.c
+++ b/drivers/net/wireless/ipw2100.c
@@ -194,6 +194,7 @@
#endif
#include <linux/moduleparam.h>
+#include <linux/mutex.h>
module_param(debug, int, 0444);
module_param(mode, int, 0444);
module_param(channel, int, 0444);
@@ -1418,7 +1419,7 @@
if (priv->status & STATUS_ENABLED)
return 0;
- down(&priv->adapter_sem);
+ mutex_lock(&priv->adapter_mutex);
if (rf_kill_active(priv)) {
IPW_DEBUG_HC("Command aborted due to RF kill active.\n");
@@ -1444,7 +1445,7 @@
}
fail_up:
- up(&priv->adapter_sem);
+ mutex_unlock(&priv->adapter_mutex);
return err;
}
@@ -1576,7 +1577,7 @@
cancel_delayed_work(&priv->hang_check);
}
- down(&priv->adapter_sem);
+ mutex_lock(&priv->adapter_mutex);
err = ipw2100_hw_send_command(priv, &cmd);
if (err) {
@@ -1595,7 +1596,7 @@
IPW_DEBUG_INFO("TODO: implement scan state machine\n");
fail_up:
- up(&priv->adapter_sem);
+ mutex_unlock(&priv->adapter_mutex);
return err;
}
@@ -1888,7 +1889,7 @@
priv->status |= STATUS_RESET_PENDING;
spin_unlock_irqrestore(&priv->low_lock, flags);
- down(&priv->action_sem);
+ mutex_lock(&priv->action_mutex);
/* stop timed checks so that they don't interfere with reset */
priv->stop_hang_check = 1;
cancel_delayed_work(&priv->hang_check);
@@ -1898,7 +1899,7 @@
wireless_send_event(priv->net_dev, SIOCGIWAP, &wrqu, NULL);
ipw2100_up(priv, 0);
- up(&priv->action_sem);
+ mutex_unlock(&priv->action_mutex);
}
@@ -4212,7 +4213,7 @@
IPW_DEBUG_RF_KILL("Manual SW RF Kill set to: RADIO %s\n",
disable_radio ? "OFF" : "ON");
- down(&priv->action_sem);
+ mutex_lock(&priv->action_mutex);
if (disable_radio) {
priv->status |= STATUS_RF_KILL_SW;
@@ -4230,7 +4231,7 @@
schedule_reset(priv);
}
- up(&priv->action_sem);
+ mutex_unlock(&priv->action_mutex);
return 1;
}
@@ -5534,7 +5535,7 @@
struct ipw2100_priv *priv = ieee80211_priv(dev);
int i, force_update = 0;
- down(&priv->action_sem);
+ mutex_lock(&priv->action_mutex);
if (!(priv->status & STATUS_INITIALIZED))
goto done;
@@ -5607,7 +5608,7 @@
if (!(priv->status & (STATUS_ASSOCIATED | STATUS_ASSOCIATING)))
ipw2100_configure_security(priv, 0);
done:
- up(&priv->action_sem);
+ mutex_unlock(&priv->action_mutex);
}
static int ipw2100_adapter_setup(struct ipw2100_priv *priv)
@@ -5731,7 +5732,7 @@
if (!is_valid_ether_addr(addr->sa_data))
return -EADDRNOTAVAIL;
- down(&priv->action_sem);
+ mutex_lock(&priv->action_mutex);
priv->config |= CFG_CUSTOM_MAC;
memcpy(priv->mac_addr, addr->sa_data, ETH_ALEN);
@@ -5741,12 +5742,12 @@
goto done;
priv->reset_backoff = 0;
- up(&priv->action_sem);
+ mutex_unlock(&priv->action_mutex);
ipw2100_reset_adapter(priv);
return 0;
done:
- up(&priv->action_sem);
+ mutex_unlock(&priv->action_mutex);
return err;
}
@@ -6089,8 +6090,8 @@
strcpy(priv->nick, "ipw2100");
spin_lock_init(&priv->low_lock);
- sema_init(&priv->action_sem, 1);
- sema_init(&priv->adapter_sem, 1);
+ mutex_init(&priv->action_mutex);
+ mutex_init(&priv->adapter_mutex);
init_waitqueue_head(&priv->wait_command_queue);
@@ -6255,7 +6256,7 @@
* member to call a function that then just turns and calls ipw2100_up.
* net_dev->init is called after name allocation but before the
* notifier chain is called */
- down(&priv->action_sem);
+ mutex_lock(&priv->action_mutex);
err = register_netdev(dev);
if (err) {
printk(KERN_WARNING DRV_NAME
@@ -6291,12 +6292,12 @@
priv->status |= STATUS_INITIALIZED;
- up(&priv->action_sem);
+ mutex_unlock(&priv->action_mutex);
return 0;
fail_unlock:
- up(&priv->action_sem);
+ mutex_unlock(&priv->action_mutex);
fail:
if (dev) {
@@ -6336,7 +6337,7 @@
struct net_device *dev;
if (priv) {
- down(&priv->action_sem);
+ mutex_lock(&priv->action_mutex);
priv->status &= ~STATUS_INITIALIZED;
@@ -6351,9 +6352,9 @@
/* Take down the hardware */
ipw2100_down(priv);
- /* Release the semaphore so that the network subsystem can
+ /* Release the mutex so that the network subsystem can
* complete any needed calls into the driver... */
- up(&priv->action_sem);
+ mutex_unlock(&priv->action_mutex);
/* Unregister the device first - this results in close()
* being called if the device is open. If we free storage
@@ -6392,7 +6393,7 @@
IPW_DEBUG_INFO("%s: Going into suspend...\n", dev->name);
- down(&priv->action_sem);
+ mutex_lock(&priv->action_mutex);
if (priv->status & STATUS_INITIALIZED) {
/* Take down the device; powers it off, etc. */
ipw2100_down(priv);
@@ -6405,7 +6406,7 @@
pci_disable_device(pci_dev);
pci_set_power_state(pci_dev, PCI_D3hot);
- up(&priv->action_sem);
+ mutex_unlock(&priv->action_mutex);
return 0;
}
@@ -6419,7 +6420,7 @@
if (IPW2100_PM_DISABLED)
return 0;
- down(&priv->action_sem);
+ mutex_lock(&priv->action_mutex);
IPW_DEBUG_INFO("%s: Coming out of suspend...\n", dev->name);
@@ -6445,7 +6446,7 @@
if (!(priv->status & STATUS_RF_KILL_SW))
ipw2100_up(priv, 0);
- up(&priv->action_sem);
+ mutex_unlock(&priv->action_mutex);
return 0;
}
@@ -6609,7 +6610,7 @@
if (priv->ieee->iw_mode == IW_MODE_INFRA)
return -EOPNOTSUPP;
- down(&priv->action_sem);
+ mutex_lock(&priv->action_mutex);
if (!(priv->status & STATUS_INITIALIZED)) {
err = -EIO;
goto done;
@@ -6640,7 +6641,7 @@
}
done:
- up(&priv->action_sem);
+ mutex_unlock(&priv->action_mutex);
return err;
}
@@ -6681,7 +6682,7 @@
if (wrqu->mode == priv->ieee->iw_mode)
return 0;
- down(&priv->action_sem);
+ mutex_lock(&priv->action_mutex);
if (!(priv->status & STATUS_INITIALIZED)) {
err = -EIO;
goto done;
@@ -6704,7 +6705,7 @@
}
done:
- up(&priv->action_sem);
+ mutex_unlock(&priv->action_mutex);
return err;
}
@@ -6886,7 +6887,7 @@
if (wrqu->ap_addr.sa_family != ARPHRD_ETHER)
return -EINVAL;
- down(&priv->action_sem);
+ mutex_lock(&priv->action_mutex);
if (!(priv->status & STATUS_INITIALIZED)) {
err = -EIO;
goto done;
@@ -6915,7 +6916,7 @@
wrqu->ap_addr.sa_data[5] & 0xff);
done:
- up(&priv->action_sem);
+ mutex_unlock(&priv->action_mutex);
return err;
}
@@ -6951,7 +6952,7 @@
int length = 0;
int err = 0;
- down(&priv->action_sem);
+ mutex_lock(&priv->action_mutex);
if (!(priv->status & STATUS_INITIALIZED)) {
err = -EIO;
goto done;
@@ -6988,7 +6989,7 @@
err = ipw2100_set_essid(priv, essid, length, 0);
done:
- up(&priv->action_sem);
+ mutex_unlock(&priv->action_mutex);
return err;
}
@@ -7069,7 +7070,7 @@
u32 rate;
int err = 0;
- down(&priv->action_sem);
+ mutex_lock(&priv->action_mutex);
if (!(priv->status & STATUS_INITIALIZED)) {
err = -EIO;
goto done;
@@ -7096,7 +7097,7 @@
IPW_DEBUG_WX("SET Rate -> %04X \n", rate);
done:
- up(&priv->action_sem);
+ mutex_unlock(&priv->action_mutex);
return err;
}
@@ -7116,7 +7117,7 @@
return 0;
}
- down(&priv->action_sem);
+ mutex_lock(&priv->action_mutex);
if (!(priv->status & STATUS_INITIALIZED)) {
err = -EIO;
goto done;
@@ -7148,7 +7149,7 @@
IPW_DEBUG_WX("GET Rate -> %d \n", wrqu->bitrate.value);
done:
- up(&priv->action_sem);
+ mutex_unlock(&priv->action_mutex);
return err;
}
@@ -7163,7 +7164,7 @@
if (wrqu->rts.fixed == 0)
return -EINVAL;
- down(&priv->action_sem);
+ mutex_lock(&priv->action_mutex);
if (!(priv->status & STATUS_INITIALIZED)) {
err = -EIO;
goto done;
@@ -7183,7 +7184,7 @@
IPW_DEBUG_WX("SET RTS Threshold -> 0x%08X \n", value);
done:
- up(&priv->action_sem);
+ mutex_unlock(&priv->action_mutex);
return err;
}
@@ -7234,7 +7235,7 @@
value = wrqu->txpower.value;
}
- down(&priv->action_sem);
+ mutex_lock(&priv->action_mutex);
if (!(priv->status & STATUS_INITIALIZED)) {
err = -EIO;
goto done;
@@ -7245,7 +7246,7 @@
IPW_DEBUG_WX("SET TX Power -> %d \n", value);
done:
- up(&priv->action_sem);
+ mutex_unlock(&priv->action_mutex);
return err;
}
@@ -7337,7 +7338,7 @@
if (!(wrqu->retry.flags & IW_RETRY_LIMIT))
return 0;
- down(&priv->action_sem);
+ mutex_lock(&priv->action_mutex);
if (!(priv->status & STATUS_INITIALIZED)) {
err = -EIO;
goto done;
@@ -7364,7 +7365,7 @@
IPW_DEBUG_WX("SET Both Retry Limits -> %d \n", wrqu->retry.value);
done:
- up(&priv->action_sem);
+ mutex_unlock(&priv->action_mutex);
return err;
}
@@ -7407,7 +7408,7 @@
struct ipw2100_priv *priv = ieee80211_priv(dev);
int err = 0;
- down(&priv->action_sem);
+ mutex_lock(&priv->action_mutex);
if (!(priv->status & STATUS_INITIALIZED)) {
err = -EIO;
goto done;
@@ -7422,7 +7423,7 @@
}
done:
- up(&priv->action_sem);
+ mutex_unlock(&priv->action_mutex);
return err;
}
@@ -7472,7 +7473,7 @@
struct ipw2100_priv *priv = ieee80211_priv(dev);
int err = 0;
- down(&priv->action_sem);
+ mutex_lock(&priv->action_mutex);
if (!(priv->status & STATUS_INITIALIZED)) {
err = -EIO;
goto done;
@@ -7505,7 +7506,7 @@
IPW_DEBUG_WX("SET Power Management Mode -> 0x%02X\n", priv->power_mode);
done:
- up(&priv->action_sem);
+ mutex_unlock(&priv->action_mutex);
return err;
}
@@ -7809,7 +7810,7 @@
int enable = (parms[0] > 0);
int err = 0;
- down(&priv->action_sem);
+ mutex_lock(&priv->action_mutex);
if (!(priv->status & STATUS_INITIALIZED)) {
err = -EIO;
goto done;
@@ -7827,7 +7828,7 @@
err = ipw2100_switch_mode(priv, priv->last_mode);
}
done:
- up(&priv->action_sem);
+ mutex_unlock(&priv->action_mutex);
return err;
}
@@ -7850,7 +7851,7 @@
struct ipw2100_priv *priv = ieee80211_priv(dev);
int err = 0, mode = *(int *)extra;
- down(&priv->action_sem);
+ mutex_lock(&priv->action_mutex);
if (!(priv->status & STATUS_INITIALIZED)) {
err = -EIO;
goto done;
@@ -7862,7 +7863,7 @@
if (priv->power_mode != mode)
err = ipw2100_set_power_mode(priv, mode);
done:
- up(&priv->action_sem);
+ mutex_unlock(&priv->action_mutex);
return err;
}
@@ -7914,7 +7915,7 @@
struct ipw2100_priv *priv = ieee80211_priv(dev);
int err, mode = *(int *)extra;
- down(&priv->action_sem);
+ mutex_lock(&priv->action_mutex);
if (!(priv->status & STATUS_INITIALIZED)) {
err = -EIO;
goto done;
@@ -7932,7 +7933,7 @@
err = ipw2100_system_config(priv, 0);
done:
- up(&priv->action_sem);
+ mutex_unlock(&priv->action_mutex);
return err;
}
@@ -7962,7 +7963,7 @@
struct ipw2100_priv *priv = ieee80211_priv(dev);
int err, mode = *(int *)extra;
- down(&priv->action_sem);
+ mutex_lock(&priv->action_mutex);
if (!(priv->status & STATUS_INITIALIZED)) {
err = -EIO;
goto done;
@@ -7979,7 +7980,7 @@
err = 0;
done:
- up(&priv->action_sem);
+ mutex_unlock(&priv->action_mutex);
return err;
}
@@ -8284,11 +8285,11 @@
if (priv->status & STATUS_STOPPING)
return;
- down(&priv->action_sem);
+ mutex_lock(&priv->action_mutex);
IPW_DEBUG_WX("enter\n");
- up(&priv->action_sem);
+ mutex_unlock(&priv->action_mutex);
wrqu.ap_addr.sa_family = ARPHRD_ETHER;
@@ -8311,7 +8312,7 @@
if (!(priv->status & STATUS_ASSOCIATED)) {
IPW_DEBUG_WX("Configuring ESSID\n");
- down(&priv->action_sem);
+ mutex_lock(&priv->action_mutex);
/* This is a disassociation event, so kick the firmware to
* look for another AP */
if (priv->config & CFG_STATIC_ESSID)
@@ -8319,7 +8320,7 @@
0);
else
ipw2100_set_essid(priv, NULL, 0, 0);
- up(&priv->action_sem);
+ mutex_unlock(&priv->action_mutex);
}
wireless_send_event(priv->net_dev, SIOCGIWAP, &wrqu, NULL);
diff --git a/drivers/net/wireless/ipw2100.h b/drivers/net/wireless/ipw2100.h
index 6f0b40f..7d390f7 100644
--- a/drivers/net/wireless/ipw2100.h
+++ b/drivers/net/wireless/ipw2100.h
@@ -594,8 +594,8 @@
int inta_other;
spinlock_t low_lock;
- struct semaphore action_sem;
- struct semaphore adapter_sem;
+ struct mutex action_mutex;
+ struct mutex adapter_mutex;
wait_queue_head_t wait_command_queue;
};