USB: Remove BKL from lseek implementations

Replace it by
mutex_lock(&file->f_dentry->d_inode->i_mutex);
following the example of the generic method

Signed-off-by: Oliver Neukum <oliver@neukum.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/core/devices.c b/drivers/usb/core/devices.c
index 175529fd02f3e87b0f069d7a21c677932b8dedd5..c83c975152a6ae7f2e3fe09d275d4946c6c67ffb 100644 (file)
--- a/drivers/usb/core/devices.c
+++ b/drivers/usb/core/devices.c
@@ -675,7 +675,7 @@ static loff_t usb_device_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:
@@ -691,7 +691,7 @@ static loff_t usb_device_lseek(struct file *file, loff_t offset, int orig)
                ret = -EINVAL;
        }
 
-       unlock_kernel();
+       mutex_unlock(&file->f_dentry->d_inode->i_mutex);
        return ret;
 }
 

diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 6e731507c0c4d2532c06472ded441a40e85963e0..300f65f681a34a6dc35b72045c30b4afaa3666e8 100644 (file)
--- 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;
 }