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Commit c6304933 authored by Sebastian Ott's avatar Sebastian Ott Committed by Martin Schwidefsky
Browse files

[S390] proper use of device register 



Don't use kfree directly after device registration started.

Signed-off-by: default avatarSebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent c48ff644

drivers/char/hvc_iucv.c

+1 −1
Original line number Diff line number Diff line
@@ -1006,7 +1006,7 @@ static int __init hvc_iucv_alloc(int id, unsigned int is_console) 
	priv->dev->release = (void (*)(struct device *)) kfree;

	rc = device_register(priv->dev);

	if (rc) {

		kfree(priv->dev);

		put_device(priv->dev);

		goto out_error_dev;

	}

drivers/s390/char/monreader.c

+1 −1
Original line number Diff line number Diff line
@@ -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;

	}

drivers/s390/char/vmlogrdr.c

+3 −1
Original line number Diff line number Diff line
@@ -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) {

drivers/s390/cio/chp.c

+2 −1
Original line number Diff line number Diff line
@@ -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) {

drivers/s390/cio/css.c

+8 −15
Original line number Diff line number Diff line
@@ -151,18 +151,6 @@ css_alloc_subchannel(struct subchannel_id schid) 
	return sch;

}



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)

{
@@ -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;

}
@@ -925,9 +916,11 @@ 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)

		goto out_unregister;