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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

39
drivers/s390/char/raw3270.c
View File

@@ -28,6 +28,7 @@
#include <linux/major.h>
#include <linux/kdev_t.h>
#include <linux/device.h>
#include <linux/mutex.h>
struct class *class3270;
@@ -59,7 +60,7 @@ struct raw3270 {
#define RAW3270_FLAGS_CONSOLE 8 /* Device is the console. */
/* Semaphore to protect global data of raw3270 (devices, views, etc). */
static DECLARE_MUTEX(raw3270_sem);
static DEFINE_MUTEX(raw3270_mutex);
/* List of 3270 devices. */
static struct list_head raw3270_devices = LIST_HEAD_INIT(raw3270_devices);
@@ -815,7 +816,7 @@ raw3270_setup_device(struct ccw_device *cdev, struct raw3270 *rp, char *ascebc)
* number for it. Note: there is no device with minor 0,
* see special case for fs3270.c:fs3270_open().
*/
down(&raw3270_sem);
mutex_lock(&raw3270_mutex);
/* Keep the list sorted. */
minor = RAW3270_FIRSTMINOR;
rp->minor = -1;
@@ -832,7 +833,7 @@ raw3270_setup_device(struct ccw_device *cdev, struct raw3270 *rp, char *ascebc)
rp->minor = minor;
list_add_tail(&rp->list, &raw3270_devices);
}
up(&raw3270_sem);
mutex_unlock(&raw3270_mutex);
/* No free minor number? Then give up. */
if (rp->minor == -1)
return -EUSERS;
@@ -1003,7 +1004,7 @@ raw3270_add_view(struct raw3270_view *view, struct raw3270_fn *fn, int minor)
if (minor <= 0)
return -ENODEV;
down(&raw3270_sem);
mutex_lock(&raw3270_mutex);
rc = -ENODEV;
list_for_each_entry(rp, &raw3270_devices, list) {
if (rp->minor != minor)
@@ -1024,7 +1025,7 @@ raw3270_add_view(struct raw3270_view *view, struct raw3270_fn *fn, int minor)
spin_unlock_irqrestore(get_ccwdev_lock(rp->cdev), flags);
break;
}
up(&raw3270_sem);
mutex_unlock(&raw3270_mutex);
return rc;
}
@@ -1038,7 +1039,7 @@ raw3270_find_view(struct raw3270_fn *fn, int minor)
struct raw3270_view *view, *tmp;
unsigned long flags;
down(&raw3270_sem);
mutex_lock(&raw3270_mutex);
view = ERR_PTR(-ENODEV);
list_for_each_entry(rp, &raw3270_devices, list) {
if (rp->minor != minor)
@@ -1057,7 +1058,7 @@ raw3270_find_view(struct raw3270_fn *fn, int minor)
spin_unlock_irqrestore(get_ccwdev_lock(rp->cdev), flags);
break;
}
up(&raw3270_sem);
mutex_unlock(&raw3270_mutex);
return view;
}
@@ -1104,7 +1105,7 @@ raw3270_delete_device(struct raw3270 *rp)
struct ccw_device *cdev;
/* Remove from device chain. */
down(&raw3270_sem);
mutex_lock(&raw3270_mutex);
if (rp->clttydev)
class_device_destroy(class3270,
MKDEV(IBM_TTY3270_MAJOR, rp->minor));
@@ -1112,7 +1113,7 @@ raw3270_delete_device(struct raw3270 *rp)
class_device_destroy(class3270,
MKDEV(IBM_FS3270_MAJOR, rp->minor));
list_del_init(&rp->list);
up(&raw3270_sem);
mutex_unlock(&raw3270_mutex);
/* Disconnect from ccw_device. */
cdev = rp->cdev;
@@ -1208,13 +1209,13 @@ int raw3270_register_notifier(void (*notifier)(int, int))
if (!np)
return -ENOMEM;
np->notifier = notifier;
down(&raw3270_sem);
mutex_lock(&raw3270_mutex);
list_add_tail(&np->list, &raw3270_notifier);
list_for_each_entry(rp, &raw3270_devices, list) {
get_device(&rp->cdev->dev);
notifier(rp->minor, 1);
}
up(&raw3270_sem);
mutex_unlock(&raw3270_mutex);
return 0;
}
@@ -1222,14 +1223,14 @@ void raw3270_unregister_notifier(void (*notifier)(int, int))
{
struct raw3270_notifier *np;
down(&raw3270_sem);
mutex_lock(&raw3270_mutex);
list_for_each_entry(np, &raw3270_notifier, list)
if (np->notifier == notifier) {
list_del(&np->list);
kfree(np);
break;
}
up(&raw3270_sem);
mutex_unlock(&raw3270_mutex);
}
/*
@@ -1256,10 +1257,10 @@ raw3270_set_online (struct ccw_device *cdev)
goto failure;
raw3270_create_attributes(rp);
set_bit(RAW3270_FLAGS_READY, &rp->flags);
down(&raw3270_sem);
mutex_lock(&raw3270_mutex);
list_for_each_entry(np, &raw3270_notifier, list)
np->notifier(rp->minor, 1);
up(&raw3270_sem);
mutex_unlock(&raw3270_mutex);
return 0;
failure:
@@ -1307,10 +1308,10 @@ raw3270_remove (struct ccw_device *cdev)
}
spin_unlock_irqrestore(get_ccwdev_lock(cdev), flags);
down(&raw3270_sem);
mutex_lock(&raw3270_mutex);
list_for_each_entry(np, &raw3270_notifier, list)
np->notifier(rp->minor, 0);
up(&raw3270_sem);
mutex_unlock(&raw3270_mutex);
/* Reset 3270 device. */
raw3270_reset_device(rp);
@@ -1370,13 +1371,13 @@ raw3270_init(void)
rc = ccw_driver_register(&raw3270_ccw_driver);
if (rc == 0) {
/* Create attributes for early (= console) device. */
down(&raw3270_sem);
mutex_lock(&raw3270_mutex);
class3270 = class_create(THIS_MODULE, "3270");
list_for_each_entry(rp, &raw3270_devices, list) {
get_device(&rp->cdev->dev);
raw3270_create_attributes(rp);
}
up(&raw3270_sem);
mutex_unlock(&raw3270_mutex);
}
return rc;
}