diff options
author | Ingo Molnar <mingo@elte.hu> | 2006-03-26 04:37:14 -0500 |
---|---|---|
committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-26 11:56:55 -0500 |
commit | 14cc3e2b633bb64063698980974df4535368e98f (patch) | |
tree | d542c9db7376de199d640b8e34d5630460b217b5 /drivers/s390/char/raw3270.c | |
parent | 353ab6e97b8f209dbecc9f650f1f84e3da2a7bb1 (diff) |
[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>
Diffstat (limited to 'drivers/s390/char/raw3270.c')
-rw-r--r-- | drivers/s390/char/raw3270.c | 39 |
1 files changed, 20 insertions, 19 deletions
diff --git a/drivers/s390/char/raw3270.c b/drivers/s390/char/raw3270.c index bd06607a5dcc..eecb2afad5c2 100644 --- a/drivers/s390/char/raw3270.c +++ b/drivers/s390/char/raw3270.c | |||
@@ -28,6 +28,7 @@ | |||
28 | #include <linux/major.h> | 28 | #include <linux/major.h> |
29 | #include <linux/kdev_t.h> | 29 | #include <linux/kdev_t.h> |
30 | #include <linux/device.h> | 30 | #include <linux/device.h> |
31 | #include <linux/mutex.h> | ||
31 | 32 | ||
32 | struct class *class3270; | 33 | struct class *class3270; |
33 | 34 | ||
@@ -59,7 +60,7 @@ struct raw3270 { | |||
59 | #define RAW3270_FLAGS_CONSOLE 8 /* Device is the console. */ | 60 | #define RAW3270_FLAGS_CONSOLE 8 /* Device is the console. */ |
60 | 61 | ||
61 | /* Semaphore to protect global data of raw3270 (devices, views, etc). */ | 62 | /* Semaphore to protect global data of raw3270 (devices, views, etc). */ |
62 | static DECLARE_MUTEX(raw3270_sem); | 63 | static DEFINE_MUTEX(raw3270_mutex); |
63 | 64 | ||
64 | /* List of 3270 devices. */ | 65 | /* List of 3270 devices. */ |
65 | static struct list_head raw3270_devices = LIST_HEAD_INIT(raw3270_devices); | 66 | 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) | |||
815 | * number for it. Note: there is no device with minor 0, | 816 | * number for it. Note: there is no device with minor 0, |
816 | * see special case for fs3270.c:fs3270_open(). | 817 | * see special case for fs3270.c:fs3270_open(). |
817 | */ | 818 | */ |
818 | down(&raw3270_sem); | 819 | mutex_lock(&raw3270_mutex); |
819 | /* Keep the list sorted. */ | 820 | /* Keep the list sorted. */ |
820 | minor = RAW3270_FIRSTMINOR; | 821 | minor = RAW3270_FIRSTMINOR; |
821 | rp->minor = -1; | 822 | rp->minor = -1; |
@@ -832,7 +833,7 @@ raw3270_setup_device(struct ccw_device *cdev, struct raw3270 *rp, char *ascebc) | |||
832 | rp->minor = minor; | 833 | rp->minor = minor; |
833 | list_add_tail(&rp->list, &raw3270_devices); | 834 | list_add_tail(&rp->list, &raw3270_devices); |
834 | } | 835 | } |
835 | up(&raw3270_sem); | 836 | mutex_unlock(&raw3270_mutex); |
836 | /* No free minor number? Then give up. */ | 837 | /* No free minor number? Then give up. */ |
837 | if (rp->minor == -1) | 838 | if (rp->minor == -1) |
838 | return -EUSERS; | 839 | return -EUSERS; |
@@ -1003,7 +1004,7 @@ raw3270_add_view(struct raw3270_view *view, struct raw3270_fn *fn, int minor) | |||
1003 | 1004 | ||
1004 | if (minor <= 0) | 1005 | if (minor <= 0) |
1005 | return -ENODEV; | 1006 | return -ENODEV; |
1006 | down(&raw3270_sem); | 1007 | mutex_lock(&raw3270_mutex); |
1007 | rc = -ENODEV; | 1008 | rc = -ENODEV; |
1008 | list_for_each_entry(rp, &raw3270_devices, list) { | 1009 | list_for_each_entry(rp, &raw3270_devices, list) { |
1009 | if (rp->minor != minor) | 1010 | if (rp->minor != minor) |
@@ -1024,7 +1025,7 @@ raw3270_add_view(struct raw3270_view *view, struct raw3270_fn *fn, int minor) | |||
1024 | spin_unlock_irqrestore(get_ccwdev_lock(rp->cdev), flags); | 1025 | spin_unlock_irqrestore(get_ccwdev_lock(rp->cdev), flags); |
1025 | break; | 1026 | break; |
1026 | } | 1027 | } |
1027 | up(&raw3270_sem); | 1028 | mutex_unlock(&raw3270_mutex); |
1028 | return rc; | 1029 | return rc; |
1029 | } | 1030 | } |
1030 | 1031 | ||
@@ -1038,7 +1039,7 @@ raw3270_find_view(struct raw3270_fn *fn, int minor) | |||
1038 | struct raw3270_view *view, *tmp; | 1039 | struct raw3270_view *view, *tmp; |
1039 | unsigned long flags; | 1040 | unsigned long flags; |
1040 | 1041 | ||
1041 | down(&raw3270_sem); | 1042 | mutex_lock(&raw3270_mutex); |
1042 | view = ERR_PTR(-ENODEV); | 1043 | view = ERR_PTR(-ENODEV); |
1043 | list_for_each_entry(rp, &raw3270_devices, list) { | 1044 | list_for_each_entry(rp, &raw3270_devices, list) { |
1044 | if (rp->minor != minor) | 1045 | if (rp->minor != minor) |
@@ -1057,7 +1058,7 @@ raw3270_find_view(struct raw3270_fn *fn, int minor) | |||
1057 | spin_unlock_irqrestore(get_ccwdev_lock(rp->cdev), flags); | 1058 | spin_unlock_irqrestore(get_ccwdev_lock(rp->cdev), flags); |
1058 | break; | 1059 | break; |
1059 | } | 1060 | } |
1060 | up(&raw3270_sem); | 1061 | mutex_unlock(&raw3270_mutex); |
1061 | return view; | 1062 | return view; |
1062 | } | 1063 | } |
1063 | 1064 | ||
@@ -1104,7 +1105,7 @@ raw3270_delete_device(struct raw3270 *rp) | |||
1104 | struct ccw_device *cdev; | 1105 | struct ccw_device *cdev; |
1105 | 1106 | ||
1106 | /* Remove from device chain. */ | 1107 | /* Remove from device chain. */ |
1107 | down(&raw3270_sem); | 1108 | mutex_lock(&raw3270_mutex); |
1108 | if (rp->clttydev) | 1109 | if (rp->clttydev) |
1109 | class_device_destroy(class3270, | 1110 | class_device_destroy(class3270, |
1110 | MKDEV(IBM_TTY3270_MAJOR, rp->minor)); | 1111 | MKDEV(IBM_TTY3270_MAJOR, rp->minor)); |
@@ -1112,7 +1113,7 @@ raw3270_delete_device(struct raw3270 *rp) | |||
1112 | class_device_destroy(class3270, | 1113 | class_device_destroy(class3270, |
1113 | MKDEV(IBM_FS3270_MAJOR, rp->minor)); | 1114 | MKDEV(IBM_FS3270_MAJOR, rp->minor)); |
1114 | list_del_init(&rp->list); | 1115 | list_del_init(&rp->list); |
1115 | up(&raw3270_sem); | 1116 | mutex_unlock(&raw3270_mutex); |
1116 | 1117 | ||
1117 | /* Disconnect from ccw_device. */ | 1118 | /* Disconnect from ccw_device. */ |
1118 | cdev = rp->cdev; | 1119 | cdev = rp->cdev; |
@@ -1208,13 +1209,13 @@ int raw3270_register_notifier(void (*notifier)(int, int)) | |||
1208 | if (!np) | 1209 | if (!np) |
1209 | return -ENOMEM; | 1210 | return -ENOMEM; |
1210 | np->notifier = notifier; | 1211 | np->notifier = notifier; |
1211 | down(&raw3270_sem); | 1212 | mutex_lock(&raw3270_mutex); |
1212 | list_add_tail(&np->list, &raw3270_notifier); | 1213 | list_add_tail(&np->list, &raw3270_notifier); |
1213 | list_for_each_entry(rp, &raw3270_devices, list) { | 1214 | list_for_each_entry(rp, &raw3270_devices, list) { |
1214 | get_device(&rp->cdev->dev); | 1215 | get_device(&rp->cdev->dev); |
1215 | notifier(rp->minor, 1); | 1216 | notifier(rp->minor, 1); |
1216 | } | 1217 | } |
1217 | up(&raw3270_sem); | 1218 | mutex_unlock(&raw3270_mutex); |
1218 | return 0; | 1219 | return 0; |
1219 | } | 1220 | } |
1220 | 1221 | ||
@@ -1222,14 +1223,14 @@ void raw3270_unregister_notifier(void (*notifier)(int, int)) | |||
1222 | { | 1223 | { |
1223 | struct raw3270_notifier *np; | 1224 | struct raw3270_notifier *np; |
1224 | 1225 | ||
1225 | down(&raw3270_sem); | 1226 | mutex_lock(&raw3270_mutex); |
1226 | list_for_each_entry(np, &raw3270_notifier, list) | 1227 | list_for_each_entry(np, &raw3270_notifier, list) |
1227 | if (np->notifier == notifier) { | 1228 | if (np->notifier == notifier) { |
1228 | list_del(&np->list); | 1229 | list_del(&np->list); |
1229 | kfree(np); | 1230 | kfree(np); |
1230 | break; | 1231 | break; |
1231 | } | 1232 | } |
1232 | up(&raw3270_sem); | 1233 | mutex_unlock(&raw3270_mutex); |
1233 | } | 1234 | } |
1234 | 1235 | ||
1235 | /* | 1236 | /* |
@@ -1256,10 +1257,10 @@ raw3270_set_online (struct ccw_device *cdev) | |||
1256 | goto failure; | 1257 | goto failure; |
1257 | raw3270_create_attributes(rp); | 1258 | raw3270_create_attributes(rp); |
1258 | set_bit(RAW3270_FLAGS_READY, &rp->flags); | 1259 | set_bit(RAW3270_FLAGS_READY, &rp->flags); |
1259 | down(&raw3270_sem); | 1260 | mutex_lock(&raw3270_mutex); |
1260 | list_for_each_entry(np, &raw3270_notifier, list) | 1261 | list_for_each_entry(np, &raw3270_notifier, list) |
1261 | np->notifier(rp->minor, 1); | 1262 | np->notifier(rp->minor, 1); |
1262 | up(&raw3270_sem); | 1263 | mutex_unlock(&raw3270_mutex); |
1263 | return 0; | 1264 | return 0; |
1264 | 1265 | ||
1265 | failure: | 1266 | failure: |
@@ -1307,10 +1308,10 @@ raw3270_remove (struct ccw_device *cdev) | |||
1307 | } | 1308 | } |
1308 | spin_unlock_irqrestore(get_ccwdev_lock(cdev), flags); | 1309 | spin_unlock_irqrestore(get_ccwdev_lock(cdev), flags); |
1309 | 1310 | ||
1310 | down(&raw3270_sem); | 1311 | mutex_lock(&raw3270_mutex); |
1311 | list_for_each_entry(np, &raw3270_notifier, list) | 1312 | list_for_each_entry(np, &raw3270_notifier, list) |
1312 | np->notifier(rp->minor, 0); | 1313 | np->notifier(rp->minor, 0); |
1313 | up(&raw3270_sem); | 1314 | mutex_unlock(&raw3270_mutex); |
1314 | 1315 | ||
1315 | /* Reset 3270 device. */ | 1316 | /* Reset 3270 device. */ |
1316 | raw3270_reset_device(rp); | 1317 | raw3270_reset_device(rp); |
@@ -1370,13 +1371,13 @@ raw3270_init(void) | |||
1370 | rc = ccw_driver_register(&raw3270_ccw_driver); | 1371 | rc = ccw_driver_register(&raw3270_ccw_driver); |
1371 | if (rc == 0) { | 1372 | if (rc == 0) { |
1372 | /* Create attributes for early (= console) device. */ | 1373 | /* Create attributes for early (= console) device. */ |
1373 | down(&raw3270_sem); | 1374 | mutex_lock(&raw3270_mutex); |
1374 | class3270 = class_create(THIS_MODULE, "3270"); | 1375 | class3270 = class_create(THIS_MODULE, "3270"); |
1375 | list_for_each_entry(rp, &raw3270_devices, list) { | 1376 | list_for_each_entry(rp, &raw3270_devices, list) { |
1376 | get_device(&rp->cdev->dev); | 1377 | get_device(&rp->cdev->dev); |
1377 | raw3270_create_attributes(rp); | 1378 | raw3270_create_attributes(rp); |
1378 | } | 1379 | } |
1379 | up(&raw3270_sem); | 1380 | mutex_unlock(&raw3270_mutex); |
1380 | } | 1381 | } |
1381 | return rc; | 1382 | return rc; |
1382 | } | 1383 | } |