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

* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/driver-2.6: (23 commits)
  [PATCH] sysfs: fix a kobject leak in sysfs_add_link on the error path
  [PATCH] sysfs: don't export dir symbols
  [PATCH] get_cpu_sysdev() signedness fix
  [PATCH] kobject_add_dir
  [PATCH] debugfs: Add debugfs_create_blob() helper for exporting binary data
  [PATCH] sysfs: fix problem with duplicate sysfs directories and files
  [PATCH] Kobject: kobject.h: fix a typo
  [PATCH] Kobject: provide better warning messages when people do stupid things
  [PATCH] Driver core: add macros notice(), dev_notice()
  [PATCH] firmware: fix BUG: in fw_realloc_buffer
  [PATCH] sysfs: kzalloc conversion
  [PATCH] fix module sysfs files reference counting
  [PATCH] add EXPORT_SYMBOL_GPL_FUTURE() to USB subsystem
  [PATCH] add EXPORT_SYMBOL_GPL_FUTURE() to RCU subsystem
  [PATCH] add EXPORT_SYMBOL_GPL_FUTURE()
  [PATCH] Clean up module.c symbol searching logic
  [PATCH] kobj_map semaphore to mutex conversion
  [PATCH] kref: avoid an atomic operation in kref_put()
  [PATCH] handle errors returned by platform_get_irq*()
  [PATCH] driver core: platform_get_irq*(): return -ENXIO on error
  ...

1 files changed, 4 insertions, 2 deletions

diff --git a/fs/sysfs/symlink.c b/fs/sysfs/symlink.c
index e38d6338a20d..d2eac3ceed5f 100644
--- a/fs/sysfs/symlink.c
+++ b/fs/sysfs/symlink.c
@@ -66,6 +66,7 @@ static int sysfs_add_link(struct dentry * parent, const char * name, struct kobj
         if (!error)
                 return 0;
 
+        kobject_put(target);
         kfree(sl->link_name);
 exit2:
         kfree(sl);
@@ -82,12 +83,13 @@ exit1:
 int sysfs_create_link(struct kobject * kobj, struct kobject * target, const char * name)
 {
         struct dentry * dentry = kobj->dentry;
-        int error = 0;
+        int error = -EEXIST;
 
         BUG_ON(!kobj || !kobj->dentry || !name);
 
         mutex_lock(&dentry->d_inode->i_mutex);
-        error = sysfs_add_link(dentry, name, target);
+        if (!sysfs_dirent_exist(dentry->d_fsdata, name))
+                error = sysfs_add_link(dentry, name, target);
         mutex_unlock(&dentry->d_inode->i_mutex);
         return error;
 }