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path: root/drivers/usb/core/inode.c
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Diffstat (limited to 'drivers/usb/core/inode.c')
-rw-r--r--drivers/usb/core/inode.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/usb/core/inode.c b/drivers/usb/core/inode.c
index b690aa35df9a..1b125c224dcf 100644
--- a/drivers/usb/core/inode.c
+++ b/drivers/usb/core/inode.c
@@ -343,17 +343,19 @@ static int usbfs_empty (struct dentry *dentry)
{
struct list_head *list;
- spin_lock(&dcache_lock);
-
+ spin_lock(&dentry->d_lock);
list_for_each(list, &dentry->d_subdirs) {
struct dentry *de = list_entry(list, struct dentry, d_u.d_child);
+
+ spin_lock_nested(&de->d_lock, DENTRY_D_LOCK_NESTED);
if (usbfs_positive(de)) {
- spin_unlock(&dcache_lock);
+ spin_unlock(&de->d_lock);
+ spin_unlock(&dentry->d_lock);
return 0;
}
+ spin_unlock(&de->d_lock);
}
-
- spin_unlock(&dcache_lock);
+ spin_unlock(&dentry->d_lock);
return 1;
}