diff options
Diffstat (limited to 'fs/sysfs')
| -rw-r--r-- | fs/sysfs/dir.c | 2 | ||||
| -rw-r--r-- | fs/sysfs/inode.c | 5 |
2 files changed, 3 insertions, 4 deletions
diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c index 8813990304fe..85a668680f82 100644 --- a/fs/sysfs/dir.c +++ b/fs/sysfs/dir.c @@ -431,6 +431,8 @@ int sysfs_move_dir(struct kobject *kobj, struct kobject *new_parent) new_parent_dentry = new_parent ? new_parent->dentry : sysfs_mount->mnt_sb->s_root; + if (old_parent_dentry->d_inode == new_parent_dentry->d_inode) + return 0; /* nothing to move */ again: mutex_lock(&old_parent_dentry->d_inode->i_mutex); if (!mutex_trylock(&new_parent_dentry->d_inode->i_mutex)) { diff --git a/fs/sysfs/inode.c b/fs/sysfs/inode.c index dd1344b007f5..ccb7d722c558 100644 --- a/fs/sysfs/inode.c +++ b/fs/sysfs/inode.c @@ -227,11 +227,8 @@ static inline void orphan_all_buffers(struct inode *node) mutex_lock_nested(&node->i_mutex, I_MUTEX_CHILD); if (node->i_private) { - list_for_each_entry(buf, &set->associates, associates) { - down(&buf->sem); + list_for_each_entry(buf, &set->associates, associates) buf->orphaned = 1; - up(&buf->sem); - } } mutex_unlock(&node->i_mutex); } |