From 48293699a09324d2e3c66bd53d10eed6d67937a0 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Tue, 24 May 2011 13:06:04 -0700
Subject: [PATCH] vfs: dentry_unhash immediately prior to rmdir
This presumes that there is no reason to unhash a dentry if we fail because
it is a mountpoint or the LSM check fails, and that the LSM checks do not
depend on the dentry being unhashed.
Signed-off-by: Sage Weil <sage@newdream.net>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
fs/namei.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/namei.c b/fs/namei.c
index 9f594312d4861..af5119911704c 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -2564,24 +2564,24 @@ int vfs_rmdir(struct inode *dir, struct dentry *dentry)
return -EPERM;
mutex_lock(&dentry->d_inode->i_mutex);
- dentry_unhash(dentry);
if (d_mountpoint(dentry))
error = -EBUSY;
else {
error = security_inode_rmdir(dir, dentry);
if (!error) {
+ dentry_unhash(dentry);
error = dir->i_op->rmdir(dir, dentry);
if (!error) {
dentry->d_inode->i_flags |= S_DEAD;
dont_mount(dentry);
}
+ dput(dentry);
}
}
mutex_unlock(&dentry->d_inode->i_mutex);
if (!error) {
d_delete(dentry);
}
- dput(dentry);
return error;
}
--
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