>From aa2c3d61dcca3953e45b7d9adecef1cfe373436d Mon Sep 17 00:00:00 2001
From: Oliver Neukum <oliver@xxxxxxxxxx>
Date: Wed, 13 Jan 2010 10:11:50 +0100
Subject: [PATCH 3/5] 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@xxxxxxxxxx>
---
drivers/usb/core/devices.c | 4 ++--
drivers/usb/core/devio.c | 4 ++--
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/usb/core/devices.c b/drivers/usb/core/devices.c
index 175529f..c83c975 100644
--- 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 6614393..35b6fb9 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;
}
--
1.6.4.2
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