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path: root/drivers/usb/core/devio.c
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Diffstat (limited to 'drivers/usb/core/devio.c')
-rw-r--r--drivers/usb/core/devio.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index b78fbe2..8823e98 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -40,6 +40,7 @@
#include <linux/signal.h>
#include <linux/poll.h>
#include <linux/module.h>
+#include <linux/string.h>
#include <linux/usb.h>
#include <linux/usbdevice_fs.h>
#include <linux/usb/hcd.h> /* for usbcore internals */
@@ -160,7 +161,7 @@ static loff_t usbdev_lseek(struct file *file, loff_t offset, int orig)
{
loff_t ret;
- mutex_lock(&file->f_dentry->d_inode->i_mutex);
+ mutex_lock(&file_inode(file)->i_mutex);
switch (orig) {
case 0:
@@ -176,7 +177,7 @@ static loff_t usbdev_lseek(struct file *file, loff_t offset, int orig)
ret = -EINVAL;
}
- mutex_unlock(&file->f_dentry->d_inode->i_mutex);
+ mutex_unlock(&file_inode(file)->i_mutex);
return ret;
}
@@ -1077,7 +1078,7 @@ static int proc_getdriver(struct dev_state *ps, void __user *arg)
if (!intf || !intf->dev.driver)
ret = -ENODATA;
else {
- strncpy(gd.driver, intf->dev.driver->name,
+ strlcpy(gd.driver, intf->dev.driver->name,
sizeof(gd.driver));
ret = (copy_to_user(arg, &gd, sizeof(gd)) ? -EFAULT : 0);
}
@@ -1970,7 +1971,7 @@ static long usbdev_do_ioctl(struct file *file, unsigned int cmd,
void __user *p)
{
struct dev_state *ps = file->private_data;
- struct inode *inode = file->f_path.dentry->d_inode;
+ struct inode *inode = file_inode(file);
struct usb_device *dev = ps->dev;
int ret = -ENOTTY;