From mboxrd@z Thu Jan  1 00:00:00 1970
From: Dan Carpenter <error27@gmail.com>
Subject: [patch] sunrpc: handle allocation errors from __rpc_lookup_create()
Date: Sun, 21 Mar 2010 12:28:18 +0300
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Cc: "J. Bruce Fields" <bfields@fieldses.org>,
	Neil Brown <neilb@suse.de>,
	"David S. Miller" <davem@davemloft.net>, linux-nfs@vger.kernel.org,
	netdev@vger.kernel.org, kernel-janitors@vger.kernel.org
To: Trond Myklebust <Trond.Myklebust@netapp.com>
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__rpc_lookup_create() can return ERR_PTR(-ENOMEM).

Signed-off-by: Dan Carpenter <error27@gmail.com>

diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index 8d63f8f..20e30c6 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -587,6 +587,8 @@ static struct dentry *__rpc_lookup_create_exclusive(struct dentry *parent,
 	struct dentry *dentry;
 
 	dentry = __rpc_lookup_create(parent, name);
+	if (IS_ERR(dentry))
+		return dentry;
 	if (dentry->d_inode == NULL)
 		return dentry;
 	dput(dentry);