Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

[pandora-kernel.git] / drivers / s390 / cio / css.c

diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index 51489ef..1261e1a 100644 (file)
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -633,6 +633,11 @@ channel_subsystem_release(struct device *dev)
 
        css = to_css(dev);
        mutex_destroy(&css->mutex);
+       if (css->pseudo_subchannel) {
+               /* Implies that it has been generated but never registered. */
+               css_subchannel_release(&css->pseudo_subchannel->dev);
+               css->pseudo_subchannel = NULL;
+       }
        kfree(css);
 }
 
@@ -785,11 +790,15 @@ init_channel_subsystem (void)
                }
                channel_subsystems[i] = css;
                ret = setup_css(i);
-               if (ret)
-                       goto out_free;
+               if (ret) {
+                       kfree(channel_subsystems[i]);
+                       goto out_unregister;
+               }
                ret = device_register(&css->device);
-               if (ret)
-                       goto out_free_all;
+               if (ret) {
+                       put_device(&css->device);
+                       goto out_unregister;
+               }
                if (css_chsc_characteristics.secm) {
                        ret = device_create_file(&css->device,
                                                 &dev_attr_cm_enable);
@@ -802,7 +811,7 @@ init_channel_subsystem (void)
        }
        ret = register_reboot_notifier(&css_reboot_notifier);
        if (ret)
-               goto out_pseudo;
+               goto out_unregister;
        css_init_done = 1;
 
        /* Enable default isc for I/O subchannels. */
@@ -810,18 +819,12 @@ init_channel_subsystem (void)
 
        for_each_subchannel(__init_channel_subsystem, NULL);
        return 0;
-out_pseudo:
-       device_unregister(&channel_subsystems[i]->pseudo_subchannel->dev);
 out_file:
-       device_remove_file(&channel_subsystems[i]->device,
-                          &dev_attr_cm_enable);
+       if (css_chsc_characteristics.secm)
+               device_remove_file(&channel_subsystems[i]->device,
+                                  &dev_attr_cm_enable);
 out_device:
        device_unregister(&channel_subsystems[i]->device);
-out_free_all:
-       kfree(channel_subsystems[i]->pseudo_subchannel->lock);
-       kfree(channel_subsystems[i]->pseudo_subchannel);
-out_free:
-       kfree(channel_subsystems[i]);
 out_unregister:
        while (i > 0) {
                struct channel_subsystem *css;
@@ -829,6 +832,7 @@ out_unregister:
                i--;
                css = channel_subsystems[i];
                device_unregister(&css->pseudo_subchannel->dev);
+               css->pseudo_subchannel = NULL;
                if (css_chsc_characteristics.secm)
                        device_remove_file(&css->device,
                                           &dev_attr_cm_enable);