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-rw-r--r--fs/sysfs/inode.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/sysfs/inode.c b/fs/sysfs/inode.c
index 1a81ebce20e9..dbd820f9aeed 100644
--- a/fs/sysfs/inode.c
+++ b/fs/sysfs/inode.c
@@ -215,7 +215,7 @@ static inline void orphan_all_buffers(struct inode *node)
215 struct sysfs_buffer_collection *set = node->i_private; 215 struct sysfs_buffer_collection *set = node->i_private;
216 struct sysfs_buffer *buf; 216 struct sysfs_buffer *buf;
217 217
218 mutex_lock(&node->i_mutex); 218 mutex_lock_nested(&node->i_mutex, I_MUTEX_CHILD);
219 if (node->i_private) { 219 if (node->i_private) {
220 list_for_each_entry(buf, &set->associates, associates) { 220 list_for_each_entry(buf, &set->associates, associates) {
221 down(&buf->sem); 221 down(&buf->sem);
@@ -272,7 +272,7 @@ int sysfs_hash_and_remove(struct dentry * dir, const char * name)
272 return -ENOENT; 272 return -ENOENT;
273 273
274 parent_sd = dir->d_fsdata; 274 parent_sd = dir->d_fsdata;
275 mutex_lock(&dir->d_inode->i_mutex); 275 mutex_lock_nested(&dir->d_inode->i_mutex, I_MUTEX_PARENT);
276 list_for_each_entry(sd, &parent_sd->s_children, s_sibling) { 276 list_for_each_entry(sd, &parent_sd->s_children, s_sibling) {
277 if (!sd->s_element) 277 if (!sd->s_element)
278 continue; 278 continue;