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Message-Id: <20220516193626.243330725@linuxfoundation.org>
Date:   Mon, 16 May 2022 21:36:00 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Dan Aloni <dan.aloni@...tdata.com>,
        Trond Myklebust <trond.myklebust@...merspace.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.17 026/114] nfs: fix broken handling of the softreval mount option

From: Dan Aloni <dan.aloni@...tdata.com>

[ Upstream commit 085d16d5f949b64713d5e960d6c9bbf51bc1d511 ]

Turns out that ever since this mount option was added, passing
`softreval` in NFS mount options cancelled all other flags while not
affecting the underlying flag `NFS_MOUNT_SOFTREVAL`.

Fixes: c74dfe97c104 ("NFS: Add mount option 'softreval'")
Signed-off-by: Dan Aloni <dan.aloni@...tdata.com>
Signed-off-by: Trond Myklebust <trond.myklebust@...merspace.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 fs/nfs/fs_context.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/nfs/fs_context.c b/fs/nfs/fs_context.c
index ea17fa1f31ec..d20891162145 100644
--- a/fs/nfs/fs_context.c
+++ b/fs/nfs/fs_context.c
@@ -515,7 +515,7 @@ static int nfs_fs_context_parse_param(struct fs_context *fc,
 		if (result.negated)
 			ctx->flags &= ~NFS_MOUNT_SOFTREVAL;
 		else
-			ctx->flags &= NFS_MOUNT_SOFTREVAL;
+			ctx->flags |= NFS_MOUNT_SOFTREVAL;
 		break;
 	case Opt_posix:
 		if (result.negated)
-- 
2.35.1



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