Merge master.kernel.org:/pub/scm/linux/kernel/git/davej/cpufreq

[firefly-linux-kernel-4.4.55.git] / net / atm / ioctl.c

diff --git a/net/atm/ioctl.c b/net/atm/ioctl.c
index eb109af7eb4a45b2cffef7aec1b2b146b6ea733b..851cfa6312af3288b9cdf14d1faa91028b583b88 100644 (file)
--- a/net/atm/ioctl.c
+++ b/net/atm/ioctl.c
@@ -18,6 +18,7 @@
 #include <linux/atmmpc.h>
 #include <net/atmclip.h>
 #include <linux/atmlec.h>
+#include <linux/mutex.h>
 #include <asm/ioctls.h>
 
 #include "resources.h"
@@ -25,22 +26,22 @@
 #include "common.h"
 
 
-static DECLARE_MUTEX(ioctl_mutex);
+static DEFINE_MUTEX(ioctl_mutex);
 static LIST_HEAD(ioctl_list);
 
 
 void register_atm_ioctl(struct atm_ioctl *ioctl)
 {
-       down(&ioctl_mutex);
+       mutex_lock(&ioctl_mutex);
        list_add_tail(&ioctl->list, &ioctl_list);
-       up(&ioctl_mutex);
+       mutex_unlock(&ioctl_mutex);
 }
 
 void deregister_atm_ioctl(struct atm_ioctl *ioctl)
 {
-       down(&ioctl_mutex);
+       mutex_lock(&ioctl_mutex);
        list_del(&ioctl->list);
-       up(&ioctl_mutex);
+       mutex_unlock(&ioctl_mutex);
 }
 
 EXPORT_SYMBOL(register_atm_ioctl);
@@ -137,7 +138,7 @@ int vcc_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 
        error = -ENOIOCTLCMD;
 
-       down(&ioctl_mutex);
+       mutex_lock(&ioctl_mutex);
        list_for_each(pos, &ioctl_list) {
                struct atm_ioctl * ic = list_entry(pos, struct atm_ioctl, list);
                if (try_module_get(ic->owner)) {
@@ -147,7 +148,7 @@ int vcc_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
                                break;
                }
        }
-       up(&ioctl_mutex);
+       mutex_unlock(&ioctl_mutex);
 
        if (error != -ENOIOCTLCMD)
                goto done;