Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6: (38 commits)
  net: Expose all network devices in a namespaces in sysfs
  hotplug: netns aware uevent_helper
  kobj: Send hotplug events in the proper namespace.
  netlink: Implment netlink_broadcast_filtered
  net/sysfs: Fix the bitrot in network device kobject namespace support
  netns: Teach network device kobjects which namespace they are in.
  kobject: Send hotplug events in all network namespaces
  driver-core: fix Typo in drivers/base/core.c for CONFIG_MODULE
  pci: check caps from sysfs file open to read device dependent config space
  sysfs: add struct file* to bin_attr callbacks
  sysfs: Remove usage of S_BIAS to avoid merge conflict with the vfs tree
  sysfs: Don't use enums in inline function declaration.
  sysfs-namespaces: add a high-level Documentation file
  sysfs: Comment sysfs directory tagging logic
  driver core: Implement ns directory support for device classes.
  sysfs: Implement sysfs_delete_link
  sysfs: Add support for tagged directories with untagged members.
  sysfs: Implement sysfs tagged directory support.
  kobj: Add basic infrastructure for dealing with namespaces.
  sysfs: Remove double free sysfs_get_sb
  ...

4 files changed, 10 insertions, 4 deletions

diff --git a/kernel/ksysfs.c b/kernel/ksysfs.c
index 21fe3c42694..0b624e79180 100644
--- a/kernel/ksysfs.c
+++ b/kernel/ksysfs.c
@@ -138,7 +138,8 @@ extern const void __start_notes __attribute__((weak));
 extern const void __stop_notes __attribute__((weak));
 #define	notes_size (&__stop_notes - &__start_notes)
 
-static ssize_t notes_read(struct kobject *kobj, struct bin_attribute *bin_attr,
+static ssize_t notes_read(struct file *filp, struct kobject *kobj,
+			  struct bin_attribute *bin_attr,
 			  char *buf, loff_t off, size_t count)
 {
 	memcpy(buf, &__start_notes + off, count);
diff --git a/kernel/lockdep.c b/kernel/lockdep.c
index ec21304856d..54286798c37 100644
--- a/kernel/lockdep.c
+++ b/kernel/lockdep.c
@@ -2711,6 +2711,8 @@ void lockdep_init_map(struct lockdep_map *lock, const char *name,
 }
 EXPORT_SYMBOL_GPL(lockdep_init_map);
 
+struct lock_class_key __lockdep_no_validate__;
+
 /*
  * This gets called for every mutex_lock*()/spin_lock*() operation.
  * We maintain the dependency maps and validate the locking attempt:
@@ -2745,6 +2747,9 @@ static int __lock_acquire(struct lockdep_map *lock, unsigned int subclass,
 		return 0;
 	}
 
+	if (lock->key == &__lockdep_no_validate__)
+		check = 1;
+
 	if (!subclass)
 		class = lock->class_cache;
 	/*
diff --git a/kernel/module.c b/kernel/module.c
index e2564580f3f..5e14483768b 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -1182,7 +1182,7 @@ struct module_notes_attrs {
 	struct bin_attribute attrs[0];
 };
 
-static ssize_t module_notes_read(struct kobject *kobj,
+static ssize_t module_notes_read(struct file *filp, struct kobject *kobj,
 				 struct bin_attribute *bin_attr,
 				 char *buf, loff_t pos, size_t count)
 {
diff --git a/kernel/user_namespace.c b/kernel/user_namespace.c
index 076c7c8215b..b2d70d38dff 100644
--- a/kernel/user_namespace.c
+++ b/kernel/user_namespace.c
@@ -54,8 +54,8 @@ int create_user_ns(struct cred *new)
 #endif
 	/* tgcred will be cleared in our caller bc CLONE_THREAD won't be set */
 
-	/* alloc_uid() incremented the userns refcount.  Just set it to 1 */
-	kref_set(&ns->kref, 1);
+	/* root_user holds a reference to ns, our reference can be dropped */
+	put_user_ns(ns);
 
 	return 0;
 }