linux-kernel - [ 42/42] lockd: fix the endianness bug

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Message-Id: <20120424223257.121245734@linuxfoundation.org>
Date:	Tue, 24 Apr 2012 15:33:35 -0700
From:	Greg KH <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	alan@...rguk.ukuu.org.uk, Al Viro <viro@...iv.linux.org.uk>,
	"J. Bruce Fields" <bfields@...ldses.org>,
	Trond Myklebust <Trond.Myklebust@...app.com>
Subject: [ 42/42] lockd: fix the endianness bug

3.0-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Al Viro <viro@...iv.linux.org.uk>

commit e847469bf77a1d339274074ed068d461f0c872bc upstream.

comparing be32 values for < is not doing the right thing...

Signed-off-by: Al Viro <viro@...iv.linux.org.uk>
Cc: "J. Bruce Fields" <bfields@...ldses.org>
Cc: Trond Myklebust <Trond.Myklebust@...app.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 fs/lockd/clnt4xdr.c |    2 +-
 fs/lockd/clntxdr.c  |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

--- a/fs/lockd/clnt4xdr.c
+++ b/fs/lockd/clnt4xdr.c
@@ -241,7 +241,7 @@ static int decode_nlm4_stat(struct xdr_s
 	p = xdr_inline_decode(xdr, 4);
 	if (unlikely(p == NULL))
 		goto out_overflow;
-	if (unlikely(*p > nlm4_failed))
+	if (unlikely(ntohl(*p) > ntohl(nlm4_failed)))
 		goto out_bad_xdr;
 	*stat = *p;
 	return 0;
--- a/fs/lockd/clntxdr.c
+++ b/fs/lockd/clntxdr.c
@@ -236,7 +236,7 @@ static int decode_nlm_stat(struct xdr_st
 	p = xdr_inline_decode(xdr, 4);
 	if (unlikely(p == NULL))
 		goto out_overflow;
-	if (unlikely(*p > nlm_lck_denied_grace_period))
+	if (unlikely(ntohl(*p) > ntohl(nlm_lck_denied_grace_period)))
 		goto out_enum;
 	*stat = *p;
 	return 0;


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