From: matthias@kaehlcke.net
To: mcgrof@gmail.com, linux-wireless@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, akpm@linux-foundation.org,
Matthias Kaehlcke <matthias@kaehlcke.net>
Subject: [patch 3/3] Convert wpa_sem in a mutex
Date: Fri, 15 Feb 2008 20:57:07 +0100 [thread overview]
Message-ID: <20080215195707.GD22741@traven> (raw)
In-Reply-To: 20080215195329.912560854@kaehlcke.net
The semaphore wpa_sem is used as mutex, convert it to the mutex API
Signed-off-by: Matthias Kaehlcke <matthias@kaehlcke.net>
Index: linux-2.6/drivers/net/wireless/prism54/isl_ioctl.c
===================================================================
--- linux-2.6.orig/drivers/net/wireless/prism54/isl_ioctl.c 2008-02-15 20:44:03.000000000 +0100
+++ linux-2.6/drivers/net/wireless/prism54/isl_ioctl.c 2008-02-15 20:44:11.000000000 +0100
@@ -2114,7 +2114,7 @@
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 @@
kfree(bss);
}
- up(&priv->wpa_sem);
+ mutex_unlock(&priv->wpa_lock);
}
static size_t
@@ -2175,7 +2175,7 @@
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 @@
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 @@
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
Index: linux-2.6/drivers/net/wireless/prism54/islpci_dev.h
===================================================================
--- linux-2.6.orig/drivers/net/wireless/prism54/islpci_dev.h 2008-02-15 20:44:03.000000000 +0100
+++ linux-2.6/drivers/net/wireless/prism54/islpci_dev.h 2008-02-15 20:44:11.000000000 +0100
@@ -178,7 +178,7 @@
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;
--
Matthias Kaehlcke
Linux System Developer
Barcelona
We build too many walls and not enough bridges
(Isaac Newton)
.''`.
using free software / Debian GNU/Linux | http://debian.org : :' :
`. `'`
gpg --keyserver pgp.mit.edu --recv-keys 47D8E5D4 `-
WARNING: multiple messages have this Message-ID (diff)
From: matthias@kaehlcke.net
To: mcgrof@gmail.com, linux-wireless@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, akpm@linux-foundation.org,
Matthias Kaehlcke <matthias@kaehlcke.net>
Subject: [patch 3/3] Convert wpa_sem in a mutex
Date: Fri, 15 Feb 2008 20:57:07 +0100 [thread overview]
Message-ID: <20080215195707.GD22741@traven> (raw)
In-Reply-To: 20080215195329.912560854@kaehlcke.net
[-- Attachment #1: net-wireless-prism54-wpa_sem-to-mutex.diff --]
[-- Type: text/plain, Size: 2345 bytes --]
The semaphore wpa_sem is used as mutex, convert it to the mutex API
Signed-off-by: Matthias Kaehlcke <matthias@kaehlcke.net>
Index: linux-2.6/drivers/net/wireless/prism54/isl_ioctl.c
===================================================================
--- linux-2.6.orig/drivers/net/wireless/prism54/isl_ioctl.c 2008-02-15 20:44:03.000000000 +0100
+++ linux-2.6/drivers/net/wireless/prism54/isl_ioctl.c 2008-02-15 20:44:11.000000000 +0100
@@ -2114,7 +2114,7 @@
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 @@
kfree(bss);
}
- up(&priv->wpa_sem);
+ mutex_unlock(&priv->wpa_lock);
}
static size_t
@@ -2175,7 +2175,7 @@
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 @@
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 @@
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
Index: linux-2.6/drivers/net/wireless/prism54/islpci_dev.h
===================================================================
--- linux-2.6.orig/drivers/net/wireless/prism54/islpci_dev.h 2008-02-15 20:44:03.000000000 +0100
+++ linux-2.6/drivers/net/wireless/prism54/islpci_dev.h 2008-02-15 20:44:11.000000000 +0100
@@ -178,7 +178,7 @@
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;
--
Matthias Kaehlcke
Linux System Developer
Barcelona
We build too many walls and not enough bridges
(Isaac Newton)
.''`.
using free software / Debian GNU/Linux | http://debian.org : :' :
`. `'`
gpg --keyserver pgp.mit.edu --recv-keys 47D8E5D4 `-
next prev parent reply other threads:[~2008-02-15 19:56 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20080215195329.912560854@kaehlcke.net>
2008-02-15 19:56 ` [patch 1/3] Convert acl->sem in a mutex matthias
2008-02-15 19:56 ` matthias
2008-02-15 21:55 ` Luis R. Rodriguez
2008-02-15 19:56 ` [patch 2/3] Convert stats_sem " matthias
2008-02-15 19:56 ` matthias
2008-02-15 21:55 ` Luis R. Rodriguez
2008-02-15 19:57 ` matthias [this message]
2008-02-15 19:57 ` [patch 3/3] Convert wpa_sem " matthias
2008-02-15 21:56 ` Luis R. Rodriguez
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20080215195707.GD22741@traven \
--to=matthias@kaehlcke.net \
--cc=akpm@linux-foundation.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-wireless@vger.kernel.org \
--cc=mcgrof@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.