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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.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/usb/core/inode.c b/drivers/usb/core/inode.c
index b690aa35df9a..e3ab4437ea96 100644
--- a/drivers/usb/core/inode.c
+++ b/drivers/usb/core/inode.c
@@ -347,10 +347,13 @@ static int usbfs_empty (struct dentry *dentry)
list_for_each(list, &dentry->d_subdirs) {
struct dentry *de = list_entry(list, struct dentry, d_u.d_child);
+ spin_lock(&de->d_lock);
if (usbfs_positive(de)) {
+ spin_unlock(&de->d_lock);
spin_unlock(&dcache_lock);
return 0;
}
+ spin_unlock(&de->d_lock);
}
spin_unlock(&dcache_lock);