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authorSebastian Ott <sebott@linux.vnet.ibm.com>2009-09-11 10:28:38 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2009-09-11 10:29:45 +0200
commitc6304933274f8e3cc6983d496456757ac8ab2e0b (patch)
tree7d9135cc2f391141650cc2d1740bd276a25f6141 /drivers/s390
parentc48ff644f2c86f34f69f382b68b16c6d30854783 (diff)
[S390] proper use of device register
Don't use kfree directly after device registration started. Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390')
-rw-r--r--drivers/s390/char/monreader.c2
-rw-r--r--drivers/s390/char/vmlogrdr.c4
-rw-r--r--drivers/s390/cio/chp.c3
-rw-r--r--drivers/s390/cio/css.c23
-rw-r--r--drivers/s390/crypto/ap_bus.c2
-rw-r--r--drivers/s390/net/netiucv.c9
-rw-r--r--drivers/s390/net/smsgiucv.c6
7 files changed, 24 insertions, 25 deletions
diff --git a/drivers/s390/char/monreader.c b/drivers/s390/char/monreader.c
index 3234e90bd7f9..89ece1c235aa 100644
--- a/drivers/s390/char/monreader.c
+++ b/drivers/s390/char/monreader.c
@@ -581,7 +581,7 @@ static int __init mon_init(void)
monreader_device->release = (void (*)(struct device *))kfree;
rc = device_register(monreader_device);
if (rc) {
- kfree(monreader_device);
+ put_device(monreader_device);
goto out_driver;
}
diff --git a/drivers/s390/char/vmlogrdr.c b/drivers/s390/char/vmlogrdr.c
index c20a4fe6da51..d1a142fa3eb4 100644
--- a/drivers/s390/char/vmlogrdr.c
+++ b/drivers/s390/char/vmlogrdr.c
@@ -765,8 +765,10 @@ static int vmlogrdr_register_device(struct vmlogrdr_priv_t *priv)
} else
return -ENOMEM;
ret = device_register(dev);
- if (ret)
+ if (ret) {
+ put_device(dev);
return ret;
+ }
ret = sysfs_create_group(&dev->kobj, &vmlogrdr_attr_group);
if (ret) {
diff --git a/drivers/s390/cio/chp.c b/drivers/s390/cio/chp.c
index 3e5f304ad88f..40002830d48a 100644
--- a/drivers/s390/cio/chp.c
+++ b/drivers/s390/cio/chp.c
@@ -417,7 +417,8 @@ int chp_new(struct chp_id chpid)
if (ret) {
CIO_MSG_EVENT(0, "Could not register chp%x.%02x: %d\n",
chpid.cssid, chpid.id, ret);
- goto out_free;
+ put_device(&chp->dev);
+ goto out;
}
ret = sysfs_create_group(&chp->dev.kobj, &chp_attr_group);
if (ret) {
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index 0a3ce6522f0b..45858f3b7318 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -152,18 +152,6 @@ css_alloc_subchannel(struct subchannel_id schid)
}
static void
-css_free_subchannel(struct subchannel *sch)
-{
- if (sch) {
- /* Reset intparm to zeroes. */
- sch->config.intparm = 0;
- cio_commit_config(sch);
- kfree(sch->lock);
- kfree(sch);
- }
-}
-
-static void
css_subchannel_release(struct device *dev)
{
struct subchannel *sch;
@@ -332,7 +320,7 @@ int css_probe_device(struct subchannel_id schid)
return PTR_ERR(sch);
ret = css_register_subchannel(sch);
if (ret)
- css_free_subchannel(sch);
+ put_device(&sch->dev);
return ret;
}
@@ -649,7 +637,10 @@ __init_channel_subsystem(struct subchannel_id schid, void *data)
* not working) so we do it now. This is true e.g. for the
* console subchannel.
*/
- css_register_subchannel(sch);
+ if (css_register_subchannel(sch)) {
+ if (!cio_is_console(schid))
+ put_device(&sch->dev);
+ }
return 0;
}
@@ -925,8 +916,10 @@ init_channel_subsystem (void)
goto out_device;
}
ret = device_register(&css->pseudo_subchannel->dev);
- if (ret)
+ if (ret) {
+ put_device(&css->pseudo_subchannel->dev);
goto out_file;
+ }
}
ret = register_reboot_notifier(&css_reboot_notifier);
if (ret)
diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
index ed3dcdea7fe1..ae9ab240c7f1 100644
--- a/drivers/s390/crypto/ap_bus.c
+++ b/drivers/s390/crypto/ap_bus.c
@@ -1114,7 +1114,7 @@ static void ap_scan_bus(struct work_struct *unused)
ap_dev->device.release = ap_device_release;
rc = device_register(&ap_dev->device);
if (rc) {
- kfree(ap_dev);
+ put_device(&ap_dev->device);
continue;
}
/* Add device attributes. */
diff --git a/drivers/s390/net/netiucv.c b/drivers/s390/net/netiucv.c
index 8c36eafcfbfe..87dff11061b0 100644
--- a/drivers/s390/net/netiucv.c
+++ b/drivers/s390/net/netiucv.c
@@ -1839,9 +1839,10 @@ static int netiucv_register_device(struct net_device *ndev)
return -ENOMEM;
ret = device_register(dev);
-
- if (ret)
+ if (ret) {
+ put_device(dev);
return ret;
+ }
ret = netiucv_add_files(dev);
if (ret)
goto out_unreg;
@@ -2226,8 +2227,10 @@ static int __init netiucv_init(void)
netiucv_dev->release = (void (*)(struct device *))kfree;
netiucv_dev->driver = &netiucv_driver;
rc = device_register(netiucv_dev);
- if (rc)
+ if (rc) {
+ put_device(netiucv_dev);
goto out_driver;
+ }
netiucv_banner();
return rc;
diff --git a/drivers/s390/net/smsgiucv.c b/drivers/s390/net/smsgiucv.c
index e76a320d373b..102000d1af6f 100644
--- a/drivers/s390/net/smsgiucv.c
+++ b/drivers/s390/net/smsgiucv.c
@@ -219,13 +219,13 @@ static int __init smsg_init(void)
smsg_dev->driver = &smsg_driver;
rc = device_register(smsg_dev);
if (rc)
- goto out_free_dev;
+ goto out_put;
cpcmd("SET SMSG IUCV", NULL, 0, NULL);
return 0;
-out_free_dev:
- kfree(smsg_dev);
+out_put:
+ put_device(smsg_dev);
out_free_path:
iucv_path_free(smsg_path);
smsg_path = NULL;