1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/usb/core/inode.c b/drivers/usb/core/inode.c
index e47e3a8ed6e4..f48c3dbc367a 100644
--- a/drivers/usb/core/inode.c
+++ b/drivers/usb/core/inode.c
@@ -200,7 +200,7 @@ static void update_sb(struct super_block *sb)
         if (!root)
                 return;
 
-        mutex_lock(&root->d_inode->i_mutex);
+        mutex_lock_nested(&root->d_inode->i_mutex, I_MUTEX_PARENT);
 
         list_for_each_entry(bus, &root->d_subdirs, d_u.d_child) {
                 if (bus->d_inode) {
@@ -527,7 +527,7 @@ static void fs_remove_file (struct dentry *dentry)
         if (!parent || !parent->d_inode)
                 return;
 
-        mutex_lock(&parent->d_inode->i_mutex);
+        mutex_lock_nested(&parent->d_inode->i_mutex, I_MUTEX_PARENT);
         if (usbfs_positive(dentry)) {
                 if (dentry->d_inode) {
                         if (S_ISDIR(dentry->d_inode->i_mode))