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[PATCH] sem2mutex: misc static one-file mutexes

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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: Ingo Molnar <mingo@elte.hu>
Cc: Dave Jones <davej@codemonkey.org.uk>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Jens Axboe <axboe@suse.de>
Cc: Neil Brown <neilb@cse.unsw.edu.au>
Acked-by: Alasdair G Kergon <agk@redhat.com>
Cc: Greg KH <greg@kroah.com>
Cc: Dominik Brodowski <linux@dominikbrodowski.net>
Cc: Adam Belay <ambx1@neo.rr.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Ingo Molnar
2006-03-26 01:37:14 -08:00
committed by Linus Torvalds
parent 353ab6e97b
commit 14cc3e2b63
20 changed files with 172 additions and 157 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
drivers/telephony/phonedev.c
View File

@@ -29,6 +29,7 @@
#include <linux/kmod.h>
#include <linux/sem.h>
#include <linux/devfs_fs_kernel.h>
#include <linux/mutex.h>
#define PHONE_NUM_DEVICES 256
@@ -37,7 +38,7 @@
*/
static struct phone_device *phone_device[PHONE_NUM_DEVICES];
static DECLARE_MUTEX(phone_lock);
static DEFINE_MUTEX(phone_lock);
/*
* Open a phone device.
@@ -53,14 +54,14 @@ static int phone_open(struct inode *inode, struct file *file)
if (minor >= PHONE_NUM_DEVICES)
return -ENODEV;
down(&phone_lock);
mutex_lock(&phone_lock);
p = phone_device[minor];
if (p)
new_fops = fops_get(p->f_op);
if (!new_fops) {
up(&phone_lock);
mutex_unlock(&phone_lock);
request_module("char-major-%d-%d", PHONE_MAJOR, minor);
down(&phone_lock);
mutex_lock(&phone_lock);
p = phone_device[minor];
if (p == NULL || (new_fops = fops_get(p->f_op)) == NULL)
{
@@ -78,7 +79,7 @@ static int phone_open(struct inode *inode, struct file *file)
}
fops_put(old_fops);
end:
up(&phone_lock);
mutex_unlock(&phone_lock);
return err;
}
@@ -100,18 +101,18 @@ int phone_register_device(struct phone_device *p, int unit)
end = unit + 1; /* enter the loop at least one time */
}
down(&phone_lock);
mutex_lock(&phone_lock);
for (i = base; i < end; i++) {
if (phone_device[i] == NULL) {
phone_device[i] = p;
p->minor = i;
devfs_mk_cdev(MKDEV(PHONE_MAJOR,i),
S_IFCHR|S_IRUSR|S_IWUSR, "phone/%d", i);
up(&phone_lock);
mutex_unlock(&phone_lock);
return 0;
}
}
up(&phone_lock);
mutex_unlock(&phone_lock);
return -ENFILE;
}
@@ -121,12 +122,12 @@ int phone_register_device(struct phone_device *p, int unit)
void phone_unregister_device(struct phone_device *pfd)
{
down(&phone_lock);
mutex_lock(&phone_lock);
if (phone_device[pfd->minor] != pfd)
panic("phone: bad unregister");
devfs_remove("phone/%d", pfd->minor);
phone_device[pfd->minor] = NULL;
up(&phone_lock);
mutex_unlock(&phone_lock);
}