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Diffstat (limited to 'fs/sysfs/dir.c')
-rw-r--r--fs/sysfs/dir.c4
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;