From 87ed1d65fb536a0cd4e84874c0b038f953e448aa Mon Sep 17 00:00:00 2001
From: Jeff Layton <jlayton@redhat.com>
Date: Wed, 27 Aug 2008 17:53:30 +0000
Subject: [CIFS] Add destroy routine for dns_resolver

Otherwise, we're leaking the payload memory.

CC: Stable Kernel <stable@vger.kernel.org>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
---
 fs/cifs/dns_resolve.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'fs/cifs/dns_resolve.c')

diff --git a/fs/cifs/dns_resolve.c b/fs/cifs/dns_resolve.c
index f730ef35499e..a2e0673e1b08 100644
--- a/fs/cifs/dns_resolve.c
+++ b/fs/cifs/dns_resolve.c
@@ -47,11 +47,18 @@ static int dns_resolver_instantiate(struct key *key, const void *data,
 	return rc;
 }
 
+static void
+dns_resolver_destroy(struct key *key)
+{
+	kfree(key->payload.data);
+}
+
 struct key_type key_type_dns_resolver = {
 	.name        = "dns_resolver",
 	.def_datalen = sizeof(struct in_addr),
 	.describe    = user_describe,
 	.instantiate = dns_resolver_instantiate,
+	.destroy     = dns_resolver_destroy,
 	.match       = user_match,
 };
 
-- 
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