diff options
| -rw-r--r-- | fs/sysfs/dir.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c index c0bf38a21caa..1cdfb53199aa 100644 --- a/fs/sysfs/dir.c +++ b/fs/sysfs/dir.c @@ -329,10 +329,12 @@ static int sysfs_dentry_revalidate(struct dentry *dentry, struct nameidata *nd) /* The sysfs dirent has been moved to a different namespace */ type = KOBJ_NS_TYPE_NONE; - if (sd->s_parent) + if (sd->s_parent) { type = sysfs_ns_type(sd->s_parent); - if (type && (sysfs_info(dentry->d_sb)->ns[type] != sd->s_ns)) - goto out_bad; + if (type != KOBJ_NS_TYPE_NONE && + sysfs_info(dentry->d_sb)->ns[type] != sd->s_ns) + goto out_bad; + } mutex_unlock(&sysfs_mutex); out_valid: |