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prism54: Convert wpa_sem in a mutex

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The semaphore wpa_sem is used as mutex, convert it to the mutex API

Signed-off-by: Matthias Kaehlcke <matthias@kaehlcke.net>
Acked-by: Luis R. Rodriguez <mcgrof@winlab.rutgers.edu>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Matthias Kaehlcke 2008-02-15 20:57:07 +01:00 committed by John W. Linville
parent f8139218b3
commit f948db5de5
2 changed files with 6 additions and 6 deletions
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10
drivers/net/wireless/prism54/isl_ioctl.c
View File

@ -2114,7 +2114,7 @@ prism54_wpa_bss_ie_add(islpci_private *priv, u8 *bssid,
if (wpa_ie_len > MAX_WPA_IE_LEN)
wpa_ie_len = MAX_WPA_IE_LEN;
down(&priv->wpa_sem);
mutex_lock(&priv->wpa_lock);
/* try to use existing entry */
list_for_each(ptr, &priv->bss_wpa_list) {
@ -2165,7 +2165,7 @@ prism54_wpa_bss_ie_add(islpci_private *priv, u8 *bssid,
kfree(bss);
}
up(&priv->wpa_sem);
mutex_unlock(&priv->wpa_lock);
}
static size_t
@ -2175,7 +2175,7 @@ prism54_wpa_bss_ie_get(islpci_private *priv, u8 *bssid, u8 *wpa_ie)
struct islpci_bss_wpa_ie *bss = NULL;
size_t len = 0;
down(&priv->wpa_sem);
mutex_lock(&priv->wpa_lock);
list_for_each(ptr, &priv->bss_wpa_list) {
bss = list_entry(ptr, struct islpci_bss_wpa_ie, list);
@ -2187,7 +2187,7 @@ prism54_wpa_bss_ie_get(islpci_private *priv, u8 *bssid, u8 *wpa_ie)
len = bss->wpa_ie_len;
memcpy(wpa_ie, bss->wpa_ie, len);
}
up(&priv->wpa_sem);
mutex_unlock(&priv->wpa_lock);
return len;
}
@ -2196,7 +2196,7 @@ void
prism54_wpa_bss_ie_init(islpci_private *priv)
{
INIT_LIST_HEAD(&priv->bss_wpa_list);
sema_init(&priv->wpa_sem, 1);
mutex_init(&priv->wpa_lock);
}
void

2
drivers/net/wireless/prism54/islpci_dev.h
View File

@ -178,7 +178,7 @@ typedef struct {
int wpa; /* WPA mode enabled */
struct list_head bss_wpa_list;
int num_bss_wpa;
struct semaphore wpa_sem;
struct mutex wpa_lock;
u8 wpa_ie[MAX_WPA_IE_LEN];
size_t wpa_ie_len;