[PATCH] lockdep: annotate i_mutex

[karo-tx-linux.git] / drivers / usb / core / inode.c

diff --git a/drivers/usb/core/inode.c b/drivers/usb/core/inode.c
index e47e3a8ed6e4b62cd2f81fbd590c1fd9515638fb..cf11196e012df651f53189d9decf480f080efb03 100644 (file)
--- 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) {