[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>
diff --git a/drivers/telephony/phonedev.c b/drivers/telephony/phonedev.c
index 3c987f4..7a6db1c 100644
--- a/drivers/telephony/phonedev.c
+++ b/drivers/telephony/phonedev.c
@@ -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 @@
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 @@
}
fops_put(old_fops);
end:
- up(&phone_lock);
+ mutex_unlock(&phone_lock);
return err;
}
@@ -100,18 +101,18 @@
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 @@
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);
}