#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"
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 */
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;
}