[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 <[email protected]>
Cc: Dave Jones <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Ralf Baechle <[email protected]>
Cc: Jens Axboe <[email protected]>
Cc: Neil Brown <[email protected]>
Acked-by: Alasdair G Kergon <[email protected]>
Cc: Greg KH <[email protected]>
Cc: Dominik Brodowski <[email protected]>
Cc: Adam Belay <[email protected]>
Cc: Martin Schwidefsky <[email protected]>
Cc: "David S. Miller" <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Ingo Molnar 2006-03-26 01:37:14 -08:00 • committed by Linus Torvalds
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;
}