diff options
Diffstat (limited to 'fs/sysfs/dir.c')
| -rw-r--r-- | fs/sysfs/dir.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c index eb9bc0a8717b..f2ea00683ec9 100644 --- a/fs/sysfs/dir.c +++ b/fs/sysfs/dir.c @@ -171,7 +171,7 @@ void sysfs_deactivate(struct sysfs_dirent *sd) DECLARE_COMPLETION_ONSTACK(wait); int v; - BUG_ON(sd->s_sibling); + BUG_ON(sd->s_sibling || !(sd->s_flags & SYSFS_FLAG_REMOVED)); sd->s_sibling = (void *)&wait; /* atomic_add_return() is a mb(), put_active() will always see @@ -506,6 +506,7 @@ static void remove_dir(struct dentry * d) mutex_lock(&parent->d_inode->i_mutex); sysfs_unlink_sibling(sd); + sd->s_flags |= SYSFS_FLAG_REMOVED; pr_debug(" o %s removing done (%d)\n",d->d_name.name, atomic_read(&d->d_count)); @@ -540,6 +541,7 @@ static void __sysfs_remove_dir(struct dentry *dentry) struct sysfs_dirent *sd = *pos; if (sysfs_type(sd) && (sysfs_type(sd) & SYSFS_NOT_PINNED)) { + sd->s_flags |= SYSFS_FLAG_REMOVED; *pos = sd->s_sibling; sd->s_sibling = removed; removed = sd; |