[PATCH] sem2mutex: misc static one-file mutexes

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

View File

@@ -34,7 +34,7 @@
#include <asm/system.h>
#include <asm/uaccess.h>
#include <asm/unistd.h>
#include <asm/semaphore.h>
#include <linux/mutex.h>
#include "ptrace.h"
@@ -207,19 +207,19 @@ void die_if_kernel(const char *str, struct pt_regs *regs, int err)
die(str, regs, err);
}
static DECLARE_MUTEX(undef_sem);
static DEFINE_MUTEX(undef_mutex);
static int (*undef_hook)(struct pt_regs *);
int request_undef_hook(int (*fn)(struct pt_regs *))
{
int ret = -EBUSY;
down(&undef_sem);
mutex_lock(&undef_mutex);
if (undef_hook == NULL) {
undef_hook = fn;
ret = 0;
}
up(&undef_sem);
mutex_unlock(&undef_mutex);
return ret;
}
@@ -228,12 +228,12 @@ int release_undef_hook(int (*fn)(struct pt_regs *))
{
int ret = -EINVAL;
down(&undef_sem);
mutex_lock(&undef_mutex);
if (undef_hook == fn) {
undef_hook = NULL;
ret = 0;
}
up(&undef_sem);
mutex_unlock(&undef_mutex);
return ret;
}