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Date: Mon, 18 Dec 2017 16:48:02 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org, NeilBrown <neilb@...e.com>,
"J. Bruce Fields" <bfields@...hat.com>,
Sasha Levin <alexander.levin@...izon.com>
Subject: [PATCH 3.18 16/69] NFSD: fix nfsd_minorversion(.., NFSD_AVAIL)
3.18-stable review patch. If anyone has any objections, please let me know.
------------------
From: NeilBrown <neilb@...e.com>
[ Upstream commit 928c6fb3a9bfd6c5b287aa3465226add551c13c0 ]
Current code will return 1 if the version is supported,
and -1 if it isn't.
This is confusing and inconsistent with the one place where this
is used.
So change to return 1 if it is supported, and zero if not.
i.e. an error is never returned.
Signed-off-by: NeilBrown <neilb@...e.com>
Signed-off-by: J. Bruce Fields <bfields@...hat.com>
Signed-off-by: Sasha Levin <alexander.levin@...izon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
fs/nfsd/nfssvc.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/fs/nfsd/nfssvc.c
+++ b/fs/nfsd/nfssvc.c
@@ -150,7 +150,8 @@ int nfsd_vers(int vers, enum vers_op cha
int nfsd_minorversion(u32 minorversion, enum vers_op change)
{
- if (minorversion > NFSD_SUPPORTED_MINOR_VERSION)
+ if (minorversion > NFSD_SUPPORTED_MINOR_VERSION &&
+ change != NFSD_AVAIL)
return -1;
switch(change) {
case NFSD_SET:
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