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: (62 commits)
  msi-laptop: depends on RFKILL
  msi-laptop: Detect 3G device exists by standard ec command
  msi-laptop: Add resume method for set the SCM load again
  msi-laptop: Support some MSI 3G netbook that is need load SCM
  msi-laptop: Add threeg sysfs file for support query 3G state by standard 66/62 ec command
  msi-laptop: Support standard ec 66/62 command on MSI notebook and nebook
  Driver core: create lock/unlock functions for struct device
  sysfs: fix for thinko with sysfs_bin_attr_init()
  sysfs: Kill unused sysfs_sb variable.
  sysfs: Pass super_block to sysfs_get_inode
  driver core: Use sysfs_rename_link in device_rename
  sysfs: Implement sysfs_rename_link
  sysfs: Pack sysfs_dirent more tightly.
  sysfs: Serialize updates to the vfs inode
  sysfs: windfarm: init sysfs attributes
  sysfs: Use sysfs_attr_init and sysfs_bin_attr_init on module dynamic attributes
  sysfs: Document sysfs_attr_init and sysfs_bin_attr_init
  sysfs: Use sysfs_attr_init and sysfs_bin_attr_init on dynamic attributes
  sysfs: Use one lockdep class per sysfs attribute.
  sysfs: Only take active references on attributes.
  ...

1 files changed, 13 insertions, 0 deletions

diff --git a/drivers/base/devtmpfs.c b/drivers/base/devtmpfs.c
index 42ae452b36b0..dac478c6e460 100644
--- a/drivers/base/devtmpfs.c
+++ b/drivers/base/devtmpfs.c
@@ -301,6 +301,19 @@ int devtmpfs_delete_node(struct device *dev)
                 if (dentry->d_inode) {
                         err = vfs_getattr(nd.path.mnt, dentry, &stat);
                         if (!err && dev_mynode(dev, dentry->d_inode, &stat)) {
+                                struct iattr newattrs;
+                                /*
+                                 * before unlinking this node, reset permissions
+                                 * of possible references like hardlinks
+                                 */
+                                newattrs.ia_uid = 0;
+                                newattrs.ia_gid = 0;
+                                newattrs.ia_mode = stat.mode & ~0777;
+                                newattrs.ia_valid =
+                                        ATTR_UID|ATTR_GID|ATTR_MODE;
+                                mutex_lock(&dentry->d_inode->i_mutex);
+                                notify_change(dentry, &newattrs);
+                                mutex_unlock(&dentry->d_inode->i_mutex);
                                 err = vfs_unlink(nd.path.dentry->d_inode,
                                                  dentry);
                                 if (!err || err == -ENOENT)