summaryrefslogtreecommitdiff
path: root/drivers/usb/core/devices.c
diff options
context:
space:
mode:
authorJeff Garzik <jeff@garzik.org>2006-03-24 09:24:04 -0500
committerJeff Garzik <jeff@garzik.org>2006-03-24 09:24:04 -0500
commit11ed56fb7899f9eb9eaef8e5919db1bf08f1b07e (patch)
treeb01421cb139b11065d776ed361a7a12b3a1aecc9 /drivers/usb/core/devices.c
parent54da9a3968448681d0ddf193ec90f2480c5cba1c (diff)
parent2cc432eed0491df66e14b578139bba2c75fb3f9a (diff)
Merge branch 'upstream'
Conflicts: drivers/scsi/sata_vsc.c
Diffstat (limited to 'drivers/usb/core/devices.c')
-rw-r--r--drivers/usb/core/devices.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/usb/core/devices.c b/drivers/usb/core/devices.c
index 2684e15b813b..c0f37343a276 100644
--- a/drivers/usb/core/devices.c
+++ b/drivers/usb/core/devices.c
@@ -57,6 +57,7 @@
#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"
@@ -570,7 +571,7 @@ static ssize_t usb_device_read(struct file *file, char __user *buf, size_t nbyte
if (!access_ok(VERIFY_WRITE, buf, nbytes))
return -EFAULT;
- down (&usb_bus_list_lock);
+ mutex_lock(&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 */
@@ -580,12 +581,12 @@ 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) {
- up(&usb_bus_list_lock);
+ mutex_unlock(&usb_bus_list_lock);
return ret;
}
total_written += ret;
}
- up (&usb_bus_list_lock);
+ mutex_unlock(&usb_bus_list_lock);
return total_written;
}