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Commit e188dc02 authored Feb 03, 2012 by Miklos Szeredi Committed by Al Viro Feb 13, 2012

vfs: fix d_inode_lookup() dentry ref leak



d_inode_lookup() leaks a dentry reference on IS_DEADDIR().

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
CC: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

parent 3b582f39

fs/namei.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -1095,8 +1095,10 @@ static struct dentry d_inode_lookup(struct dentry parent, struct dentry *dentr
		struct dentry *old;

		/* Don't create child dentry for a dead directory. */
		if (unlikely(IS_DEADDIR(inode)))
		if (unlikely(IS_DEADDIR(inode))) {
		dput(dentry);
		return ERR_PTR(-ENOENT);
		}

		old = inode->i_op->lookup(inode, dentry, nd);
		if (unlikely(old)) {