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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.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 6e731507c0c..300f65f681a 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -122,7 +122,7 @@ static loff_t usbdev_lseek(struct file *file, loff_t offset, int orig)
{
loff_t ret;
- lock_kernel();
+ mutex_lock(&file->f_dentry->d_inode->i_mutex);
switch (orig) {
case 0:
@@ -138,7 +138,7 @@ static loff_t usbdev_lseek(struct file *file, loff_t offset, int orig)
ret = -EINVAL;
}
- unlock_kernel();
+ mutex_unlock(&file->f_dentry->d_inode->i_mutex);
return ret;
}