X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fusb%2Fcore%2Fdevices.c;fp=drivers%2Fusb%2Fcore%2Fdevices.c;h=2684e15b813b6cde3001c660aaeff7e8f097b04d;hb=64ba3f394c830ec48a1c31b53dcae312c56f1604;hp=c0f37343a276ce551705065625f923ec13f7f629;hpb=be1e6109ac94a859551f8e1774eb9a8469fe055c;p=linux-2.6.git

diff --git a/drivers/usb/core/devices.c b/drivers/usb/core/devices.c
index c0f37343a..2684e15b8 100644
--- a/drivers/usb/core/devices.c
+++ b/drivers/usb/core/devices.c
@@ -57,7 +57,6 @@
 #include <linux/usb.h>
 #include <linux/smp_lock.h>
 #include <linux/usbdevice_fs.h>
-#include <linux/mutex.h>
 #include <asm/uaccess.h>
 
 #include "usb.h"
@@ -571,7 +570,7 @@ static ssize_t usb_device_read(struct file *file, char __user *buf, size_t nbyte
 	if (!access_ok(VERIFY_WRITE, buf, nbytes))
 		return -EFAULT;
 
-	mutex_lock(&usb_bus_list_lock);
+	down (&usb_bus_list_lock);
 	/* print devices for all busses */
 	list_for_each_entry(bus, &usb_bus_list, bus_list) {
 		/* recurse through all children of the root hub */
@@ -581,12 +580,12 @@ static ssize_t usb_device_read(struct file *file, char __user *buf, size_t nbyte
 		ret = usb_device_dump(&buf, &nbytes, &skip_bytes, ppos, bus->root_hub, bus, 0, 0, 0);
 		usb_unlock_device(bus->root_hub);
 		if (ret < 0) {
-			mutex_unlock(&usb_bus_list_lock);
+			up(&usb_bus_list_lock);
 			return ret;
 		}
 		total_written += ret;
 	}
-	mutex_unlock(&usb_bus_list_lock);
+	up (&usb_bus_list_lock);
 	return total_written;
 }