rtl8192u: r8192_priv: Replace semaphore wx_sem with mutex
The semaphore 'wx_sem' in r8192_priv is a simple mutex, so
it should be written as one. Semaphores are going away in the future.
Signed-off-by: Binoy Jayan <binoy.jayan@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/rtl8192u/r8192U_wx.c b/drivers/staging/rtl8192u/r8192U_wx.c
index 837704d..d2f2f24 100644
--- a/drivers/staging/rtl8192u/r8192U_wx.c
+++ b/drivers/staging/rtl8192u/r8192U_wx.c
@@ -67,11 +67,11 @@
int ret;
struct r8192_priv *priv = ieee80211_priv(dev);
- down(&priv->wx_sem);
+ mutex_lock(&priv->wx_mutex);
ret = ieee80211_wx_set_rate(priv->ieee80211, info, wrqu, extra);
- up(&priv->wx_sem);
+ mutex_unlock(&priv->wx_mutex);
return ret;
}
@@ -83,11 +83,11 @@
int ret;
struct r8192_priv *priv = ieee80211_priv(dev);
- down(&priv->wx_sem);
+ mutex_lock(&priv->wx_mutex);
ret = ieee80211_wx_set_rts(priv->ieee80211, info, wrqu, extra);
- up(&priv->wx_sem);
+ mutex_unlock(&priv->wx_mutex);
return ret;
}
@@ -108,11 +108,11 @@
int ret;
struct r8192_priv *priv = ieee80211_priv(dev);
- down(&priv->wx_sem);
+ mutex_lock(&priv->wx_mutex);
ret = ieee80211_wx_set_power(priv->ieee80211, info, wrqu, extra);
- up(&priv->wx_sem);
+ mutex_unlock(&priv->wx_mutex);
return ret;
}
@@ -132,11 +132,11 @@
{
struct r8192_priv *priv = ieee80211_priv(dev);
- down(&priv->wx_sem);
+ mutex_lock(&priv->wx_mutex);
netdev_dbg(dev, "%s(): force reset ! extra is %d\n", __func__, *extra);
priv->force_reset = *extra;
- up(&priv->wx_sem);
+ mutex_unlock(&priv->wx_mutex);
return 0;
}
@@ -148,11 +148,11 @@
struct r8192_priv *priv = ieee80211_priv(dev);
int ret;
- down(&priv->wx_sem);
+ mutex_lock(&priv->wx_mutex);
ret = ieee80211_wx_set_rawtx(priv->ieee80211, info, wrqu, extra);
- up(&priv->wx_sem);
+ mutex_unlock(&priv->wx_mutex);
return ret;
@@ -166,7 +166,7 @@
int *parms = (int *)extra;
int enable = (parms[0] > 0);
- down(&priv->wx_sem);
+ mutex_lock(&priv->wx_mutex);
if (enable)
priv->crcmon = 1;
@@ -176,7 +176,7 @@
DMESG("bad CRC in monitor mode are %s",
priv->crcmon ? "accepted" : "rejected");
- up(&priv->wx_sem);
+ mutex_unlock(&priv->wx_mutex);
return 0;
}
@@ -187,13 +187,13 @@
struct r8192_priv *priv = ieee80211_priv(dev);
int ret;
- down(&priv->wx_sem);
+ mutex_lock(&priv->wx_mutex);
ret = ieee80211_wx_set_mode(priv->ieee80211, a, wrqu, b);
rtl8192_set_rxconf(dev);
- up(&priv->wx_sem);
+ mutex_unlock(&priv->wx_mutex);
return ret;
}
@@ -338,7 +338,7 @@
}
}
- down(&priv->wx_sem);
+ mutex_lock(&priv->wx_mutex);
if (priv->ieee80211->state != IEEE80211_LINKED) {
priv->ieee80211->scanning = 0;
ieee80211_softmac_scan_syncro(priv->ieee80211);
@@ -346,7 +346,7 @@
} else {
ret = ieee80211_wx_set_scan(priv->ieee80211, a, wrqu, b);
}
- up(&priv->wx_sem);
+ mutex_unlock(&priv->wx_mutex);
return ret;
}
@@ -361,11 +361,11 @@
if (!priv->up)
return -ENETDOWN;
- down(&priv->wx_sem);
+ mutex_lock(&priv->wx_mutex);
ret = ieee80211_wx_get_scan(priv->ieee80211, a, wrqu, b);
- up(&priv->wx_sem);
+ mutex_unlock(&priv->wx_mutex);
return ret;
}
@@ -377,11 +377,11 @@
struct r8192_priv *priv = ieee80211_priv(dev);
int ret;
- down(&priv->wx_sem);
+ mutex_lock(&priv->wx_mutex);
ret = ieee80211_wx_set_essid(priv->ieee80211, a, wrqu, b);
- up(&priv->wx_sem);
+ mutex_unlock(&priv->wx_mutex);
return ret;
}
@@ -393,11 +393,11 @@
int ret;
struct r8192_priv *priv = ieee80211_priv(dev);
- down(&priv->wx_sem);
+ mutex_lock(&priv->wx_mutex);
ret = ieee80211_wx_get_essid(priv->ieee80211, a, wrqu, b);
- up(&priv->wx_sem);
+ mutex_unlock(&priv->wx_mutex);
return ret;
}
@@ -408,11 +408,11 @@
int ret;
struct r8192_priv *priv = ieee80211_priv(dev);
- down(&priv->wx_sem);
+ mutex_lock(&priv->wx_mutex);
ret = ieee80211_wx_set_freq(priv->ieee80211, a, wrqu, b);
- up(&priv->wx_sem);
+ mutex_unlock(&priv->wx_mutex);
return ret;
}
@@ -468,11 +468,11 @@
int ret;
struct r8192_priv *priv = ieee80211_priv(dev);
/* struct sockaddr *temp = (struct sockaddr *)awrq; */
- down(&priv->wx_sem);
+ mutex_lock(&priv->wx_mutex);
ret = ieee80211_wx_set_wap(priv->ieee80211, info, awrq, extra);
- up(&priv->wx_sem);
+ mutex_unlock(&priv->wx_mutex);
return ret;
@@ -515,12 +515,12 @@
if (!priv->up)
return -ENETDOWN;
- down(&priv->wx_sem);
+ mutex_lock(&priv->wx_mutex);
RT_TRACE(COMP_SEC, "Setting SW wep key");
ret = ieee80211_wx_set_encode(priv->ieee80211, info, wrqu, key);
- up(&priv->wx_sem);
+ mutex_unlock(&priv->wx_mutex);
@@ -619,7 +619,7 @@
struct r8192_priv *priv = ieee80211_priv(dev);
int err = 0;
- down(&priv->wx_sem);
+ mutex_lock(&priv->wx_mutex);
if (wrqu->retry.flags & IW_RETRY_LIFETIME ||
wrqu->retry.disabled){
@@ -652,7 +652,7 @@
rtl8192_commit(dev);
exit:
- up(&priv->wx_sem);
+ mutex_unlock(&priv->wx_mutex);
return err;
}
@@ -701,7 +701,7 @@
struct r8192_priv *priv = ieee80211_priv(dev);
short err = 0;
- down(&priv->wx_sem);
+ mutex_lock(&priv->wx_mutex);
if (priv->rf_set_sens == NULL) {
err = -1; /* we have not this support for this radio */
goto exit;
@@ -712,7 +712,7 @@
err = -EINVAL;
exit:
- up(&priv->wx_sem);
+ mutex_unlock(&priv->wx_mutex);
return err;
}
@@ -727,7 +727,7 @@
struct ieee80211_device *ieee = priv->ieee80211;
- down(&priv->wx_sem);
+ mutex_lock(&priv->wx_mutex);
ret = ieee80211_wx_set_encode_ext(priv->ieee80211, info, wrqu, extra);
{
@@ -790,7 +790,7 @@
end_hw_sec:
- up(&priv->wx_sem);
+ mutex_unlock(&priv->wx_mutex);
return ret;
}
@@ -801,9 +801,9 @@
int ret = 0;
struct r8192_priv *priv = ieee80211_priv(dev);
- down(&priv->wx_sem);
+ mutex_lock(&priv->wx_mutex);
ret = ieee80211_wx_set_auth(priv->ieee80211, info, &(data->param), extra);
- up(&priv->wx_sem);
+ mutex_unlock(&priv->wx_mutex);
return ret;
}
@@ -815,10 +815,10 @@
int ret = 0;
struct r8192_priv *priv = ieee80211_priv(dev);
- down(&priv->wx_sem);
+ mutex_lock(&priv->wx_mutex);
ret = ieee80211_wx_set_mlme(priv->ieee80211, info, wrqu, extra);
- up(&priv->wx_sem);
+ mutex_unlock(&priv->wx_mutex);
return ret;
}
@@ -829,9 +829,9 @@
int ret = 0;
struct r8192_priv *priv = ieee80211_priv(dev);
- down(&priv->wx_sem);
+ mutex_lock(&priv->wx_mutex);
ret = ieee80211_wx_set_gen_ie(priv->ieee80211, extra, data->data.length);
- up(&priv->wx_sem);
+ mutex_unlock(&priv->wx_mutex);
return ret;