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[PATCH] sem2mutex: drivers: raw, connector, dcdbas, ppp_generic

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Semaphore to mutex conversion.

The conversion was generated via scripts, and the result was validated
automatically via a script as well.

Signed-off-by: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Arjan van de Ven
2006-03-23 03:00:21 -08:00
committed by Linus Torvalds
parent 9cdf18279d
commit 8ed965d612
4 changed files with 45 additions and 41 deletions
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23
drivers/char/raw.c
View File

@ -19,6 +19,7 @@
#include <linux/uio.h>
#include <linux/cdev.h>
#include <linux/device.h>
#include <linux/mutex.h>
#include <asm/uaccess.h>
@ -29,7 +30,7 @@ struct raw_device_data {
static struct class *raw_class;
static struct raw_device_data raw_devices[MAX_RAW_MINORS];
static DECLARE_MUTEX(raw_mutex);
static DEFINE_MUTEX(raw_mutex);
static struct file_operations raw_ctl_fops; /* forward declaration */
/*
@ -53,7 +54,7 @@ static int raw_open(struct inode *inode, struct file *filp)
return 0;
}
down(&raw_mutex);
mutex_lock(&raw_mutex);
/*
* All we need to do on open is check that the device is bound.
@ -78,7 +79,7 @@ static int raw_open(struct inode *inode, struct file *filp)
filp->f_dentry->d_inode->i_mapping =
bdev->bd_inode->i_mapping;
filp->private_data = bdev;
up(&raw_mutex);
mutex_unlock(&raw_mutex);
return 0;
out2:
@ -86,7 +87,7 @@ out2:
out1:
blkdev_put(bdev);
out:
up(&raw_mutex);
mutex_unlock(&raw_mutex);
return err;
}
@ -99,14 +100,14 @@ static int raw_release(struct inode *inode, struct file *filp)
const int minor= iminor(inode);
struct block_device *bdev;
down(&raw_mutex);
mutex_lock(&raw_mutex);
bdev = raw_devices[minor].binding;
if (--raw_devices[minor].inuse == 0) {
/* Here inode->i_mapping == bdev->bd_inode->i_mapping */
inode->i_mapping = &inode->i_data;
inode->i_mapping->backing_dev_info = &default_backing_dev_info;
}
up(&raw_mutex);
mutex_unlock(&raw_mutex);
bd_release(bdev);
blkdev_put(bdev);
@ -187,9 +188,9 @@ static int raw_ctl_ioctl(struct inode *inode, struct file *filp,
goto out;
}
down(&raw_mutex);
mutex_lock(&raw_mutex);
if (rawdev->inuse) {
up(&raw_mutex);
mutex_unlock(&raw_mutex);
err = -EBUSY;
goto out;
}
@ -211,11 +212,11 @@ static int raw_ctl_ioctl(struct inode *inode, struct file *filp,
bind_device(&rq);
}
}
up(&raw_mutex);
mutex_unlock(&raw_mutex);
} else {
struct block_device *bdev;
down(&raw_mutex);
mutex_lock(&raw_mutex);
bdev = rawdev->binding;
if (bdev) {
rq.block_major = MAJOR(bdev->bd_dev);
@ -223,7 +224,7 @@ static int raw_ctl_ioctl(struct inode *inode, struct file *filp,
} else {
rq.block_major = rq.block_minor = 0;
}
up(&raw_mutex);
mutex_unlock(&raw_mutex);
if (copy_to_user((void __user *)arg, &rq, sizeof(rq))) {
err = -EFAULT;
goto out;