linux-kernel - [PATCH] PLIP driver: convert killed_timer

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-ID: <20071208162313.GA15658@traven>
Date:	Sat, 8 Dec 2007 17:23:13 +0100
From:	Matthias Kaehlcke <matthias.kaehlcke@...il.com>
To:	jgarzik@...ox.com, netdev@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: [PATCH] PLIP driver: convert killed_timer_sem to completion

PLIP driver: convert the semaphore killed_timer_sem to
a completion

Signed-off-by: Matthias Kaehlcke <matthias.kaehlcke@...il.com>

--

diff --git a/drivers/net/plip.c b/drivers/net/plip.c
index 57c9866..fee3d7b 100644
--- a/drivers/net/plip.c
+++ b/drivers/net/plip.c
@@ -106,6 +106,7 @@ static const char version[] = "NET3 PLIP version 2.4-parport gniibe@....co.jp\n"
 #include <linux/if_plip.h>
 #include <linux/workqueue.h>
 #include <linux/spinlock.h>
+#include <linux/completion.h>
 #include <linux/parport.h>
 #include <linux/bitops.h>
 
@@ -114,7 +115,6 @@ static const char version[] = "NET3 PLIP version 2.4-parport gniibe@....co.jp\n"
 #include <asm/system.h>
 #include <asm/irq.h>
 #include <asm/byteorder.h>
-#include <asm/semaphore.h>
 
 /* Maximum number of devices to support. */
 #define PLIP_MAX  8
@@ -221,7 +221,7 @@ struct net_local {
 	int should_relinquish;
 	spinlock_t lock;
 	atomic_t kill_timer;
-	struct semaphore killed_timer_sem;
+	struct completion killed_timer_cmp;
 };
 
 static inline void enable_parport_interrupts (struct net_device *dev)
@@ -385,7 +385,7 @@ plip_timer_bh(struct work_struct *work)
 		schedule_delayed_work(&nl->timer, 1);
 	}
 	else {
-		up (&nl->killed_timer_sem);
+		complete(&nl->killed_timer_cmp);
 	}
 }
 
@@ -1112,9 +1112,9 @@ plip_close(struct net_device *dev)
 
 	if (dev->irq == -1)
 	{
-		init_MUTEX_LOCKED (&nl->killed_timer_sem);
+		init_completion(&nl->killed_timer_cmp);
 		atomic_set (&nl->kill_timer, 1);
-		down (&nl->killed_timer_sem);
+		wait_for_completion(&nl->killed_timer_cmp);
 	}
 
 #ifdef NOTDEF

-- 
Matthias Kaehlcke
Linux System Developer
Barcelona

     La libertad es como la mañana. Hay quienes esperan dormidos a que
   llegue, pero hay quienes desvelan y caminan la noche para alcanzarla
                        (Subcomandante Marcos)
                                                                 .''`.
    using free software / Debian GNU/Linux | http://debian.org  : :'  :
                                                                `. `'`
gpg --keyserver pgp.mit.edu --recv-keys 47D8E5D4                  `-
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/